Could microechinate orbicules be related to the release of pollen in anemophilous and 'buzz pollination' species?

The function of orbicules has been a matter of speculation for a long time and until now no satisfactory answer has been put forward. We propose two hypotheses that could contribute to the elucidation of their function: (1) that anemophilous and 'buzz pollination' species have microechinat...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autor principal: Galati, B.G
Otros Autores: Gotelli, M.M, Dolinko, Andrés Ezequiel, Rosenfeldt, S.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: CSIRO 2019
Acceso en línea:Registro en Scopus
DOI
Handle
Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
LEADER 25263caa a22017897a 4500
001 PAPER-25813
003 AR-BaUEN
005 20250225100356.0
008 190410s2019 xx ||||fo|||| 00| 0 eng|d
024 7 |2 scopus  |a 2-s2.0-85061549772 
030 |a AJBTA 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
100 1 |a Galati, B.G. 
245 1 0 |a Could microechinate orbicules be related to the release of pollen in anemophilous and 'buzz pollination' species? 
260 |b CSIRO  |c 2019 
270 1 0 |m Galati, B.G.; Universidad de Buenos Aires, Facultad de Agronomía, Departamento de Recursos Naturales y Ambiente, Cátedra de Botánica GeneralArgentina; email: galati@agro.uba.ar 
504 |a Abadie, M., Hideux, M., L'anthère de Saxifraga cymbalaria L. Ssp. Huetiana (Boiss.) Engl. et Iemsch en microscopie électronique (M.E.B. et M.E.T). 1. Généralités (1979) Ontogenèse des Orbicules. Annales des Sciences Naturelles Botanique, 13, pp. 199-233 
504 |a Amela García, M.T., Galati, B.G., Anton, A.M., Microsporogenesis, microgametogenesis and pollen morphology o f Passiflora spp. (Passifloraceae) (2002) Botanical Journal of the Linnean Society, 139, pp. 383-394 
504 |a Audran, J.C., Batcho, M., Aspects infrastructuraux des alterations antheres de Silene dioica parasitees par Ustilago violacea (1980) Canadian Journal of Botany, 58, pp. 405-415 
504 |a Buchmann, S.L., Buzz pollination in angiosperms (1983) Handbook of Experimental Pollination Biology, pp. 73-113. , (Eds CE Jones, RJ Little). (Van Nostrand Reinhold: New York) 
504 |a Cardoso, C.C.D., Oliveira, P.D., Pimentel, R.M.D.M., Reproductive biology of the herkogamous vine Chiococca alba (L.) Hitchc. (Rubiaceae) in the Atlantic rain forest, SE Brazil (2008) Revista Brasileira de Botanica. Brazilian Journal of Botany, 31, pp. 317-321 
504 |a Chen, S.H., A scanning electron microscope survey of common airborne pollen grains in Taipei, Taiwan (1988) Taiwania, 33, pp. 75-108 
504 |a Chen, S.K., Wang, F.H., Zhou, F., On the origin, development and ultrastructure of the orbicuies and pollenkitt in the tapetum of Anemarrhena asphodeloides (Liliaceae) (1988) Grana, 27, pp. 273-282 
504 |a Christensen, J.E., Horner, H.T., Jr., Lersten, N.R., Pollen wall and tapetal orbicular wall development in Sorghum bicolor (Gramineae) (1972) American Journal of Botany, 59, pp. 43-58 
504 |a Clement, C., Audran, J.C., Cytochemical and ultrastructural evolution of orbicules in Lilium (1993) Plant Systematics and Evolution, 7, pp. 63-74 
504 |a Coetzee, H., Robbertse, P.J., Pollen and tapetum development in Securidaca longipedunculata (1985) South African Journal of Botany, 51, pp. 111-124 
504 |a Culley, T.M., Weller, S.G., Sakai, A.K., The evolution of wind pollination in angiosperms (2002) Trends in Ecology & Evolution, 17, pp. 361-369 
504 |a D'Hondt, C., Schols, P., Huysmans, S., Smets, E., Systematic relevance of pollen and orbicule characters in the tribe Hillieae (Rubiaceae) (2004) Botanical Journal of the Linnean Society, 146, pp. 303-321 
504 |a De Figueiredo, R.A., Sazima, M., Pollination biology of Piperaceae species in southeastern Brazil (2000) Annals of Botany, 85, pp. 455-460 
504 |a Dinis, A.M., Baptista, F., Pereira Coutinho, A., Is the quantity of orbicules released by Dactylis glomerata and Cynosurus echinatus (Poaceae) big enough to play an allergenic role? (2007) Grana, 46, pp. 140-147 
504 |a Dolinko, A.E., Non-destructive visualization of defect borders in flawed plates inspected by thermal load (2008) Journal of Physics. D, Applied Physics, 41, p. 205503 
504 |a Dolinko, A.E., From Newton's second law to Huygens's principle: Visualizing waves in a large array of masses joined by springs (2009) European Journal of Physics, 30, pp. 1217-1228 
504 |a Dolinko, A.E., Kirchhoff and Ohm in action: Solving electric currents in continuous extended media (2018) European Journal of Physics, 39, p. 025201 
504 |a Dolinko, A., Losinno, B., Zunni, N., Lemeillet, F., Analysis of the response of the electrical resistivity tomography method to soil cracks (2016) Near Surface Geoscience. The 22nd European Meeting of Enviromental and Engineering Geophysics, , Barcelona, Spain 
504 |a Doores, A.S., Osborn, J.M., El-Ghazaly, G., Pollen ontogeny in Ephedra americana (Gnetales) (2007) International Journal of Plant Sciences, 168, pp. 985-997 
504 |a Doria, M.G., Pabón-Mora, N., González, F., Reassessing inflorescence and floral morphology and development in Hedyosmum (Chloranthaceae) (2012) International Journal of Plant Sciences, 173, pp. 735-750 
504 |a Echlin, P., Godwin, H., The ultrastructure and ontogeny of pollen in Helleborus foetidus L. I. The development of the tapetum and Ubisch bodies (1968) Journal of Cell Science, 3, pp. 161-174 
504 |a El-Ghazaly, G., Pollen and orbicule morphology of some Euphorbia species (1989) Grana, 28, pp. 243-259 
504 |a El-Ghazaly, G., Chaudhary, R., Morphology and taxonomic application of orbicules (Ubisch bodies) in the genus Euphorbia (1993) Grana, 32, pp. 26-32 
504 |a El-Ghazaly, G., Jensen, W.A., Studies of the development of wheat (Triticum aestivum) pollen. I. Formation of the pollen wall and Ubisch bodies (1986) Grana, 25, pp. 1-29 
504 |a El-Ghazaly, G., Jensen, W.A., Development of wheat (Triticum aestivum) pollen. II. Histochemical differentiation of wall and Ubisch bodies during development (1987) American Journal of Botany, 74, pp. 1396-1418 
504 |a El-Ghazaly, G., Nilsson, S., Development of tapetum and orbicules of Catharanthus roseus (Apocynaceae) (1991) Pollen and Spores, pp. 317-329. , (Eds S Blackmore, SH Barnes). (Clarendon Press: Oxford, UK) 
504 |a El-Ghazaly, G., Takahashi, Y., Nilsson, S., Grafstrom, E., Berggren, B., Orbicules in Betula pendula and their possible role in allergy (1995) Grana, 34, pp. 300-304 
504 |a Endress, P.K., (1998) Diversity and Evolutionary Biology of Tropical Flowers, , Cambridge University Press: Cambridge, UK 
504 |a Fernando, D.D., Cass, D.D., Plasmodial tapetum and pollen wall development in Butomus umbellatus (Butomaceae) (1994) American Journal of Botany, 81, pp. 1592-1600 
504 |a Furness, C.A., Comparative structure and development of pollen and tapetum in Malpighiales, with a focus on the parietal clade (2011) International Journal of Plant Sciences, 172, pp. 980-1011 
504 |a Furness, C.A., Rudall, P.J., The tapetum in basal angiosperms: Early diversity (2001) International Journal of Plant Sciences, 162, pp. 375-392 
504 |a Furness, C.A., Rudall, P.J., Comparative structure and development of the tapetum and pollen in Pandanales (2006) International Journal of Plant Sciences, 167, pp. 331-348 
504 |a Furness, C.A., Gregory, T., Rudall, P.J., Pollen structure and diversity in Liliales (2015) International Journal of Plant Sciences, 176, pp. 697-723 
504 |a Gabarayeva, N.I., Pollen wall and tapetum development in Anaxagorea brevipes (Annonaceae): Sporoderm substructure, cytoskeleton, sporopollenin precursor particles, and the endexine problem (1995) Review of Palaeobotany and Palynology, 85, pp. 123-152 
504 |a Gabarayeva, N., Grigorjeva, V., Sporoderm development and substructure in Magnolia sieboldii and other Magnoliaceae: An interpretation (2012) Grana, 51, pp. 119-147 
504 |a Gabarayeva, N.I., Grigorjeva, V.V., Rowley, J.R., Sporoderm development in Acer tataricum (Aceraceae): An interpretation (2010) Protoplasma, 247, pp. 65-81 
504 |a Galati, B.G., Ubisch bodies in angiosperms (2003) Advances in Plant Reproductive Biology, pp. 1-21. , (Eds AK Pandey, MR Dhakal). (Narendra Publishing House: Delhi, India) 
504 |a Galati, B.G., Strittmatter, L.I., Correlation between pollen development and Ubisch bodies ontogeny in Jacaranda mimosifolia (Bignoniaceae) (1999) Beitrage Zur Biologie der Pflanzen, 71, pp. 1-12 
504 |a Galati, B.G., Monacci, F., Gotelli, M.M., Rosenfeldt, S., Pollen, tapetum and orbicule development in Modiolastrum malvifolium (Malvaceae) (2007) Annals of Botany, 99, pp. 755-763 
504 |a Galati, B.G., Zarlavsky, G., Rosenfeldt, S., Gotelli, M.M., Pollen ontogeny in Magnolia liliflora Desr (2012) Plant Systematics and Evolution, 298, pp. 527-534 
504 |a Gaudeul, M., Till-Bottraud, I., Low selfing in a mass-flowering, endangered perennial, Eryngium alpinum L. (Apiaceae) (2003) American Journal of Botany, 90, pp. 716-723 
504 |a Geeraerts, A., Raeymaekers, J.A.M., Vinckier, S., Pletsers, A., Smets, E., Huysmans, S., Systematic palynology in Ebenaceae with focus on Ebenoideae: Morphological diversity and character evolution (2009) Review of Palaeobotany and Palynology, 153, pp. 336-353 
504 |a González, F., Rudall, P.J., Furness, C.A., Microsporogenesis and systematics of Aristolochiaceae (2001) Botanical Journal of the Linnean Society, 137, pp. 221-242 
504 |a Gori, P., Ferri, S., Ultrastructural study of the microspore development in Allium sativum, cl. Piemonte (1982) Journal of Ultrastructure Research, 79, pp. 341-349 
504 |a Gotelli, M.M., Galati, B.G., Medan, D., Embryology of Helianthus annuus (Asteraceae) (2008) Annales Botanici Fennici, 45, pp. 81-96 
504 |a Gotelli, M.M., Galati, B.G., Medan, D., Pollen, tapetum and orbicule development in Colletia paradoxa and Discaria americana (Rhamnaceae) (2012) Scientific World Journal, 2012, p. 948469 
504 |a Gotelli, M.M., Galati, B.G., Zarlavsky, G., Pollen development and anther morphology in 14 species of Rhamnaceae (2016) Plant Systematics and Evolution, 302, pp. 1433-1444 
504 |a Halbritter, H., Specific ornametation of orbicular walls and pollen grains, as exemplified by Acanthaceae (2005) Grana, 44, pp. 308-313 
504 |a Halbritter, H., Hesse, M., Weber, M., The unique design of pollen tetrads in Dionaea and Drosera (2012) Grana, 51, pp. 148-157 
504 |a Hall, J.A., Walter, G.H., Pollination of the Australian cycad Cycas ophiolitica (Cycadaceae): The limited role of wind pollination in a cycad with beetle pollinator mutualists, and its ecological significance (2018) Journal of Tropical Ecology, 34, pp. 121-134 
504 |a Herich, R., Lux, A., Lytic activity of Ubisch bodies (orbicles) (1985) Cytologia, 50, pp. 563-569 
504 |a Heslop-Harrison, J., Pollen wall development (1968) Science, 161, pp. 230-237 
504 |a Heslop-Harrison, J., Tapetal origin of pollen-coat substances in Lilium (1968) New Phytologist, 67, pp. 779-786 
504 |a Hesse, M., Pollenkitt is lacking in Gnetatae: Ephedra and Welwitschia further proof for its restriction to the angiosperms (1984) Plant Systematics and Evolution, 144, pp. 9-16 
504 |a Hesse, M., Orbicules and the ektexine are homologous sporopollenin concretions in Spermatophyta (1986) Plant Systematics and Evolution, 153, pp. 37-48 
504 |a Hesse, M., Pollen wall stratification and pollination (2000) Plant Systematics and Evolution, 222, pp. 1-17 
504 |a Hesse, M., Pollen characters of Amborella trichopoda (Amborellaceae): A reinvestigation (2001) International Journal of Plant Sciences, 162, pp. 201-208 
504 |a Huysmans, S., El-Ghazaly, G., Nilsson, S., Smets, E., Systematic value of tapetal orbicules: A preliminary survey of the Cinchonoideae (Rubiaceae) (1997) Canadian Journal of Botany, 75, pp. 815-826 
504 |a Huysmans, S., El-Ghazaly, G., Smets, E., Orbicules in angiosperms: Morphology, function, distribution, and relation with tapetum types (1998) Botanical Review, 64, pp. 240-272 
504 |a Huysmans, S., El-Ghazaly, G., Smets, E., Orbicules: Still a well-hidden secret of the anther (2000) Plant Systematics for the 21st Century, pp. 201-212. , (Eds B Nordenstam, G El-Ghazaly, M Kassas). (Portland Press: London) 
504 |a Huysmans, S., Verstraete, B., Smets, E., Chatrou, L.W., Distribution of orbicules in Annonaceae mirrors evolutionary trend in angiosperms (2010) Plant Ecology and Evolution, 143, pp. 199-211 
504 |a Keijzer, C.J., Pollen dispersal and the function of the orbicules (1984) Acta Botanica Neerlandica, 33, p. 244 
504 |a Kreunen, S.S., Osborn, J.M., Pollen and anther development in Nelumbo (Nelumbonaceae) (1999) American Journal of Botany, 86, pp. 1662-1676 
504 |a Lattar, E.C., Galati, B.G., Ferrucci, M.S., Ultrastructural study of pollen and anther development in Luehea divaricata (Malvaceae, Grewioideae) and its systematic implications: Role of tapetal transfer cells, orbicules and male germ unit (2012) Flora, 207, pp. 888-894 
504 |a Le Thomas, A., Suàrez-Cervera, M., Goldblatt, P., Ontogeny of the exine in pollen of Aristea (Iridaceae) (2001) Grana, 40, pp. 35-44 
504 |a Lens, F., Dressler, S., Vinckier, S., Janssens, S., Dessein, S., Van Evelghem, L., Smets, E., Palynological variation in balsaminoid Ericales. I. Marcgraviaceae (2005) Annals of Botany, 96, pp. 1047-1060 
504 |a Lombardo, G., Carraro, L., Tapetal ultrastructural changes during pollen development. III. Studies on Gentiana acaulis (1976) Caryologia, 29, pp. 345-349 
504 |a Lovisolo, M., Galati, B.G., Pollen development in Deyeuxia viridiflavescens (Poir) Kunth (Gramineae: Poaceae) (1999) Phytomorphology, 49, pp. 411-418 
504 |a Lovisolo, M., Galati, B.G., Diversidad de orbículas en Poaceae (2012) Boletín de la Sociedad Argentina de Botánica, 47, pp. 87-96 
504 |a Maheshwari, P., (1950) Introduction to the Embryology of Angiosperms, , McGraw-Hill: New York 
504 |a Mariotti Lippi, M., Cimoli, F., Maugini, E., Tani, G., A comparative study of the tapetal behaviour in male fertile and male sterile Iris pallida Lam. during microsporogenesis (1994) Caryologia, 47, pp. 109-120 
504 |a Merckx, V., Schols, P., Geuten, K., Huysmans, S., Smets, E., Phylogenetic relationships in Nartheciaceae (Dioscoreales) with focus on pollen and orbicule morphology (2008) Belgian Journal of Botany, 141, pp. 64-77 
504 |a Mi-Mi, L., Qin-Qin, Y., Xiao-Qin, S., Ya-Mei, Z., Yi-Feng, Z., Yue-Yu, H., A preliminary study on pollination biology of three species in Dioscorea (Dioscoreaceae) (2014) Life Science Journal, 11, pp. 436-444 
504 |a Mu, X., Wang, F., Wang, W., Development and histochemical observations of tapetum and peritapetal membrane in anther of Pulsatilla chinensis (1988) Acta Botanica Sinica, 30, pp. 6-13 
504 |a Nagels, A., Muasya, A.M., Huysmans, S., Vrijdaghs, A., Smets, E., Vinckier, S., Palynological diversity and major evolutionary trends in Cyperaceae (2009) Plant Systematics and Evolution, 277, pp. 117-142 
504 |a Nitiu, D.S., Aeropalynologic analysis of la Plata City (Argentina) during a 3-year period (2006) Aerobiologia, 22, pp. 79-87 
504 |a O'Brien, T.P., McCully, M.E., (1981) The Study of Plant Structure: Principles and Selected Methods, , Termarcarphi Pty Ltd: Melbourne 
504 |a Pacini, E., Tapetum character states: Analytical keys for tapetum types and activities (1997) Canadian Journal of Botany, 75, pp. 1448-1459 
504 |a Pacini, E., Franchi, G.G., Role of the tapetum in pollen and spore dispersal (1993) Plant Systematics and Evolution, 7, pp. 1-11 
504 |a Pacini, E., Franchi, G.G., Hesse, M., The tapetum: Its form, function and possible phylogeny in Embryophyta (1985) Plant Systematics and Evolution, 149, pp. 155-185 
504 |a Proctor, M., Yeo, P., Lack, A., (1996) The Natural History of Pollination, , Timber Press: Portland, OR, USA 
504 |a Ronse De Craene, L.P., Yang, T.A., Schols, P., Smets, E., Flower anatomy and systematics of Bretschneidera (Bretschneideraceae) (2002) Botanical Journal of the Linnean Society, 139, pp. 29-45 
504 |a Rosenfeldt, S., Galati, B.G., Ubisch bodies and pollen ontogeny in Oxalis articulata Savigny (2005) Biocell, 29, pp. 271-278 
504 |a Rosenfeldt, S., Galati, B.G., Orbicules diversity in Oxalis species from Buenos Aires province (Argentina) (2008) Biocell, 32, pp. 41-47 
504 |a Rowley, J.R., Erdtman, G., Sporoderm in Populus and Salix (1967) Grana, 7, pp. 518-567 
504 |a Rowley, J.R., Gabarayeva, N.I., Microspore development in Quercus robur (Fagaceae) (2004) Review of Palaeobotany and Palynology, 132, pp. 115-132 
504 |a Rowley, J.R., Walles, B., Origin and structure of Ubisch bodies in Pinus sylvestris (1987) Acta Societatis Botanicorum Poloniae, 56, pp. 215-227 
504 |a Ruggiero, F., Bedini, G., Free orbicules of Cupressaceae detected in daily aerobiological samples by optical and confocal microscopy (2018) Aerobiologia, 34, p. 55 
504 |a Sajo, M.G., Furness, C.A., Prychid, C.J., Rudall, P.J., Microsporogenesis and anther development in Bromeliaceae (2005) Grana, 44, pp. 65-74 
504 |a Schols, P., Furness, C.A., Wilkin, P., Huysmans, S., Smets, E., Morphology of pollen and orbicules in some Dioscorea species and its systematic implications (2001) Botanical Journal of the Linnean Society, 136, pp. 295-311 
504 |a Schols, P., Furness, C.A., Wilkin, P., Smets, E., Cielen, V., Huysmans, S., Pollen morphology of Dioscorea (Dioscoreaceae) and its relation to systematics (2003) Botanical Journal of the Linnean Society, 143, pp. 375-390 
504 |a Schols, P., Wilkin, P., Furness, C.A., Pollen evolution in yams (Dioscorea: Dioscoreaceae) (2005) Systematic Botany, 30, pp. 750-758 
504 |a Skarby, A., Morbelli, M.A., Rowley, J.R., Structure of the pollen exine of Rhoiptelea chiliantha (2009) Taiwania, 54, pp. 101-112 
504 |a Strittmatter, L.I., Galati, B.G., Embryological study in Oziroë acaulis (Baker) Speta (Hyacinthaceae) (2000) Phytomorphology, 50, pp. 161-171 
504 |a Strittmatter, L.I., Galati, B.G., Development of anthers, microsporogenesis and microgametogenesis of Myosotis azorica and M. Laxa (Boraginaceae) (2001) Phytomorphology, 51, pp. 1-10 
504 |a Strittmatter, L.I., Galati, B.G., Monacci, F., Übisch bodies in the peritapetal membrane of Abutilon pictum Gill (Malvaceae) (2000) Beitrage Zur Biologie der Pflanzen, 71, pp. 1-10 
504 |a Sun, S.-G., Lu, Y., Huang, S.-Q., Floral phenology and sex expression in functionally monoecious Rhoiptelea chiliantha (Rhoipteleaceae) (2006) Botanical Journal of the Linnean Society, 152, pp. 145-151 
504 |a Taylor, M.L., Hudson, P.J., Rigg, J.M., Julie, N., Schwartz Green, J., Thiemann, T.C., Osborn, J.M., Tapetum structure and ontogeny in Victoria (Nymphaeaceae) (2012) Grana, 51, pp. 107-118 
504 |a Teppner, H., Stabentheiner, E., Anther opening, polyad presentation, pollenkitt and pollen adhesive in four Calliandra species (Mimosaceae-Ingeae) (2007) Phyton, 47, pp. 291-320 
504 |a Ubisch, G.V., Kurze mitteilungen zur entwicklungsgeschiehte der antheren (1927) Planta, 3, pp. 490-495 
504 |a Verellen, J., Smets, E., Huysmans, S., The remarkable genus Coptosapelta (Rubiaceae): Pollen and orbicule morphology and systematic implications (2004) Journal of Plant Research, 117, pp. 57-68 
504 |a Verstraete, B., Groeninckx, I., Smets, E., Huysmans, S., Phylogenetic signal of orbicules at family level: Rubiaceae as case study (2011) Taxon, 60, pp. 742-757 
504 |a Verstraete, B., Moon, H.K., Smets, E., Huysmans, S., Orbicules in flowering plants: A phylogenetic perspective on their form and function (2014) Botanical Review, 80, pp. 107-134 
504 |a Vinckier, S., Smets, E., A survey of the presence and morphology of orbicules in European allergenic angiosperms. Background information for allergen research (2001) Canadian Journal of Botany, 79, pp. 757-766 
504 |a Vinckier, S., Smets, E., The potential role of orbicules as a vector of allergens (2001) Allergy, 56, pp. 1129-1136 
504 |a Vinckier, S., Smets, E., Morphology, ultrastructure and typology of orbicules in Loganiaceae s.l. and related genera, in relation to systematics (2002) Review of Palaeobotany and Palynology, 119, pp. 161-189 
504 |a Vinckier, S., Smets, E., Morphological and ultrastructural diversity of orbicules in relation to evolutionary tendencies in Apocynaceae s.l (2002) Annals of Botany, 90, pp. 647-662 
504 |a Vinckier, S., Smets, E., Systematic importance in orbicule diversity in Gentianales (2002) Grana, 41, pp. 158-182 
504 |a Vinckier, S., Smets, E., Morphological and ultrastructural diversity of orbicules in Gentianaceae (2003) Annals of Botany, 92, pp. 657-672 
504 |a Vinckier, S., Huysmans, S., Smets, E., Morphology and ultrastructure of orbicules in the subfamily Ixoroideae (Rubiaceae) (2000) Review of Palaeobotany and Palynology, 108, pp. 151-174 
504 |a Vinckier, S., Cadot, P., Smets, E., The manifold characters of orbicules: Structural diversity, systematic significance, and vectors for allergens (2005) Grana, 44, pp. 300-307 
504 |a Zavada, M.S., Pollen wall development of Austrobaileya maculata (1984) Botanical Gazette, 145, pp. 11-21 
504 |a Zini, L.M., Galati, B.G., Zarlavsky, G., Ferrucci, M.S., Developmental and ultrastructural characters of the pollen grains and tapetum in species of Nymphaea subgenus Hydrocallis (2017) Protoplasma, 254, pp. 1777-1790 
506 |2 openaire  |e Política editorial 
520 3 |a The function of orbicules has been a matter of speculation for a long time and until now no satisfactory answer has been put forward. We propose two hypotheses that could contribute to the elucidation of their function: (1) that anemophilous and 'buzz pollination' species have microechinate orbicules; and (2) that microechinate orbicules are advantageous for pollen release in both pollination modes. To test the first hypothesis, orbicule morphology of species in which the pollen is released by anther shaking (20 anemophilous and three with buzz-pollination) was analysed. We also conducted a literature review, noting the orbicule surface type and the presence of floral traits suggesting that pollen is released by anther shaking. Ninety-two percent of the species with microechinate orbicules are anemophilous or present 'buzz pollination'. Orbicules without spinules are present in species that lack floral traits linked to anther shaking for pollen release. To test the second hypothesis, a computational simulation that reveals the electric field produced by electrostatically charged orbicules was used. Results showed that the field is increased at the tip of each orbicule spinule. Therefore, an anther loculus surface coated by pointed structures increases the repulsion force of the pollen grains. This is an advantage when pollen is released by shaking the anther. © 2019 CSIRO.  |l eng 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: AUniversidad de Buenos Aires, Facultad de Agronomía, Departamento de Recursos Naturales y Ambiente, Cátedra de Botánica General, Buenos Aires, Argentina. BConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290 (C1425FQB) Buenos Aires, Argentina. CUniversidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina. 
593 |a Universidad de Buenos Aires, Facultad de Agronomía, Departamento de Recursos Naturales y Ambiente, Cátedra de Botánica General, Buenos Aires, Argentina 
593 |a Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, Buenos Aires, C1425FQB, Argentina 
593 |a Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Buenos Aires, Argentina 
593 |a Universidad de Buenos Aires, Facultad de Agronomía, Departamento de Ingeniería Agrícola y Uso de la Tierra Cátedra de Física, Buenos Aires, Argentina 
690 1 0 |a ANEMOPHILOUS POLLINATION MODE 
690 1 0 |a ELECTROSTATIC FIELD 
690 1 0 |a MICROECHINATE ORBICULE 
700 1 |a Gotelli, M.M. 
700 1 |a Dolinko, Andrés Ezequiel 
700 1 |a Rosenfeldt, S. 
773 0 |d CSIRO, 2019  |g v. 67  |h pp. 16-35  |k n. 1  |p Aust. J. Bot.  |x 00671924  |t Australian Journal of Botany 
856 4 1 |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-85061549772&doi=10.1071%2fBT18169&partnerID=40&md5=0ea21ba66888349116dc6cd1d464f245  |y Registro en Scopus 
856 4 0 |u https://doi.org/10.1071/BT18169  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_00671924_v67_n1_p16_Galati  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00671924_v67_n1_p16_Galati  |y Registro en la Biblioteca Digital 
961 |a paper_00671924_v67_n1_p16_Galati  |b paper  |c PE 
962 |a info:eu-repo/semantics/article  |a info:ar-repo/semantics/artículo  |b info:eu-repo/semantics/publishedVersion 
999 |c 86766