Gardener, M. C. & Gillman, M. P. The taste of nectar – a neglected area of pollination ecology. Oikos 98, 552–557 (2002).
Vogel, S. Blütenbiologische Typen als Elemente der Sippengliederung, dargestellt anhand der Flora Südafrikas. In: Troll, W. & V. Guttenberg, H. (eds) Bot. Studien H. l. 338 pp. (Fischer, 1954).
Brewer, J. W., Collyard, K. J. & Lott, C. E. Jr Analysis of sugars in dwarf mistletoe nectar. Can. J. Bot. 52, 2533–2538 (1974).
Meve, U. & Liede, S. Floral biology and pollination in stapeliads – new results and a literature review. Plant Syst. Evol. 192, 99–116 (1994).
Aldasoro, J. J., Aedo, C. & Navarro, C. Insect attracting structures on Erodium petals (Geraniaceae). Plant Biol. 2, 471–481 (2000).
Zhang, F. P., Larson-Rabin, Z., Li, D. Z. & Wang, H. Colored nectar as an honest signal in plant-animal interactions. Plant Signal. Behav. 7, 811–812 (2012).
Johnson, S. D., Hargreaves, A. L. & Brown, M. Dark, bitter-tasting nectar functions as filter of flower visitors in a bird-pollinated plant. Ecology 87, 2709–2716 (2006).
Hansen, D. M., Beer, K. & Müller, C. B. Mauritian coloured nectar no longer a mystery: a visual signal for lizard pollinators. Biol. Lett. 22, 165–168 (2006).
Hansen, D. M., Olesen, J. M., Mione, T., Johnson, S. D. & Müller, C. B. Coloured nectar: distribution, ecology, and evolution of an enigmatic floral trait. Biol. Rev. 82, 83–111 (2007).
Kevan, P. G. Fluorescent nectar. Science 194, 341–342 (1975).
Thorp, R. W., Briggs, D. L., Estes, J. R. & Erickson, E. H. Nectar fluorescence under ultraviolet irradiation. Science 189, 476–478 (1975).
Waller, G. D. & Martin, J. H. Fluorescence for identification of onion nectar in foraging honey bees. Environ. Entomol. 7, 766–768 (1978).
von Arx, M., Goyret, J., Davidowitz, G. & Raguso, R. A. Floral humidity as a reliable sensory cue for profitability assessment by nectar-foraging hawkmoths. Proc. Natl. Acad Sci. USA 109, 9471–9476 (2012).
Howell, A. D. & Alarcón, R. Osmia bees (Hymenoptera: Megachilidae) can detect nectar-rewarding flowers using olfactory cues. Anim. Beh. 74, 199–205 (2007).
Endress, P. K. & Matthews, M. L. Elaborate petals and staminodes in eudicots, diversity, function, and evolution. Org. Divers. Evol. 6, 257–293 (2006).
Erbar, C. Nectar secretion and nectaries in basal angiosperms, magnoliids and non-core eudicots and a comparison with core eudicots. Plant Div. Evol. 131, 63–143 (2014).
Weryszko-Chmielewska, E. & Sulborska, A. Staminodial nectary structure in two Pulsatilla (L.) species. Acta Biologica Cracoviensia 53, 94–103 (2012).
Kugler, H. Zum Problem der Dipterenblumen. Österr. Bot. Z. 102, 529–541 (1955).
Woodcock, T. S., Larson, B. M. H., Kevan, P. G., Inouye, D. W. & Lunau, K. Flies and flowers II: floral attractants and rewards. J. Poll. Ecol. 12, 63–94 (2014).
Sprengel, C. K. Das entdeckte Geheimnis der Natur im Bau und in der Befruchtung der Blumen. (Vieweg, 1793).
Pacini, E. Nectar production and presentation. In: Nicolson, S. W, Nepi, M. & Pacini, E. (eds) Nectaries and Nectar. pp 167‒214 (Springer 2007).
Moyroud, E. & Glover, B. J. The physics of pollinator attraction. New Phytol. 216, 350–354 (2017).
Daumann, E. Über die „Scheinnektarien” von Parnassia palustris und anderer Blütenarten. Ein Beitrag zur experimentellen Blütenökologie. Jahrb. Wiss. Bot., Leipzig 77, 104–149 (1932).
Vogel, S. Betrug bei Pflanzen: Die Täuschblumen. Abh. Math.-Naturwiss. Kl. Akad. Wiss. Mainz 1, 1–48 (1993).
Weber, A. S. Antheseverlauf und Bestäubung der Blüte von Nigella arvensis (Ranunculaceae). Verh. Zool.-Bot. Ges. Österreich 130, 99–125 (1993).
Zhao, L., Liu, P., Che, X.-F., Wang, W. & Ren, Y. Floral organogenesis of Helleborus thibetanus and Nigella damascena (Ranunculaceae) and its systematic significance. Bot. J. Linn. Soc. 166, 431443 (2011).
Daumann, E. Über postflorale Nektarabscheidung. Zugleich ein weiterer Beitrag zu unseren Kenntnissen über ungewöhnlichen Blumenbesuch der Honigbiene. Beih. Bot. Centralbl., Sect. 1, Dresden 49, 720–734 (1932).
Daumann, E. Über die Bestäubungsökologie der Parnassia-Blüte II. Jahrb. Wissenschaft. Bot. 81, 707–717 (1935).
Kugler, H. Blütenökologische Untersuchungen mit Goldfliegen (Lucilien). Ber. Deutsch. Bot. Ges. 64, 327–341 (1951).
Luo, S., Zhang, D. & Renner, S. S. Duodichogamy and androdioecy in the Chinese Phyllanthaceae Bridelia tomentosa. Am. J. Bot. 94, 260–265 (2007).
Raine, N. E. & Chittka, L. The adaptive significance of sensory bias in a foraging context: floral colour preferences in the bumblebee Bombus terrestris. PLoS ONE 2(6), e556 (2007).
Lunau, K. Unidirectionality of floral colour changes. Plant Syst. Evol. 200, 125–140 (1996).
Lunau, K. & Wester, P. Mimicry and deception in pollination. In: Becard, G. (ed) Advances in Botanical Research 82, How Plants Communicate with their Biotic Environment; pp. 259‒279 (Academic Press 2017).
Slater, A. T. & Calder, D. M. The pollination biology of Dendrobium speciosum Smith: a case of false advertising? Aust. J. Bot 36, 145–158 (1988).
Hansen, D. M., Van der Niet, T. & Johnson, S. D. Floral signposts: testing the significance of visual ‘nectar guides’ for pollinator behaviour and plant fitness. Proc. R. Soc. B 279, 634–639 (2012).
Lunau, K. The ecology and evolution of visual pollen signals. Plant Syst. Evol. 222, 89–111 (2000).
Lunau, K. Stamens and mimic stamens as components of floral colour patterns. Bot. Jahrb. Syst. 127, 13–41 (2007).
Lunau, K., Wacht, S. & Chittka, L. Colour choices of naive bumble bees and their implications for colour perception. J. Comp. Physiol. A 178, 477–489 (1996).
Wilmsen, S., Gottlieb, R., Junker, R. R. & Lunau, K. Bumblebees require visual pollen stimuli to initiate and multimodal stimuli to complete a full behavioral sequence in close-range flower orientation. Ecol. Evol. 7, 1384–1393 (2017).
Lunau, K. & Wacht, S. Optical releasers of the innate proboscis extension in the hoverfly Eristalis tenax L. (Syrphidae, Diptera). J. Comp. Physiol. A 174, 574–579 (1994).
An, L. et al. The yellow specialist: Dronefly Eristalis tenax prefers different yellow colours for landing and proboscis extension. J. Exp. Biol. 221, jeb184788 (2018).
Lunau, K. et al. Limitations of learning in the proboscis reflex of the flower visiting syrphid fly Eristalis tenax. PLoS ONE 13(3), e0194167 (2018).
Leonard, A. S., Brent, J., Papaj, D. R. & Dornhaus, A. Floral nectar guide patterns discourage nectar robbing by bumble bees. PLoS ONE 8(2), e55914 (2013).
Dinkel, T. & Lunau, K. How drone flies (Eristalis tenax L, Syrphidae, Diptera) use floral guides to locate food sources. J. Insect Physiol. 47, 1111–1118 (2001).
van der Kooi, C., Dyer, A. G., Kevan, P. G. & Lunau, K. Functional significance of the optical properties of flowers for visual signalling. Annals of Botany 123, 263–276 (2019).
Verhoeven, C., Ren, Z. X. & Lunau, K. False colour photography: a novel digital approach to visualize the bee view of flowers. J. Poll. Ecol. 23, 102–118 (2018).
Liu, D. T. et al. Resources evaluation of seed plants in Yulong Snow Mountain, Lijiang, northwestern Yunnan. Plant Diversity and Resources 37, 318–326 (2015).
Zhao, Y. H. et al. Floral traits influence pollen vectors’ choices in higher elevation communities in the Himalaya-Hengduan Mountains. BMC Ecol 16, 26 (2016).
Zhao, Y. H. et al. The topological differences between visitation and pollen transport networks: a comparison in species rich communities of the Himalaya–Hengduan Mountains. Oikos 128, 551–562 (2019).
Vogel, S. Ecophysiology of zoophilic pollination. In: Lange, O. L., Nobel, P. S., Osmond, C. B. & Ziegler, H. (eds) Physiological plant ecology III. Responses to the chemical and biological environment; pp 560‒624 (Springer 1983).
Whitney, H. M., Rands, S. A., Elton, N. J. & Ellis, A. G. A technique for measuring petal gloss, with examples from the Namaqualand flora. PLoS ONE 7(1), e29476 (2012).
Koski, M. H. & Ashman, T. L. Floral pigmentation patterns provide an example of Gloger’s rule in plants. Nat. Plants 1, 14007 (2015).
Roguz, K. et al. Functional diversity of nectary structure and nectar composition in the genus Fritillaria (Liliaceae). Front. Plant Sci. 9, 1246 (2018).
Biedinger, N. & Barthlott, W. Untersuchungen zur Ultraviolettreflexion von Angiospermenblüten. I Monocotyledonae. Trop. Subtrop. Pflanzenwelt 86, 1–122 (1993).
Burr, B. & Barthlott, W. Untersuchungen zur Ultraviolettreflexion von Angiospermenblüten II. Magnoliidae, Ranunculidae, Hamamelididae, Caryophyllidae, Rosidae. Trop. Subtrop. Pflanzenwelt 87, 1–193 (1993).
Burr, B., Rosen, D. & Barthlott, W. Untersuchungen zur Ultraviolettreflexion von Angiospermenblüten III. Dilleniidae und Asteridae s.l. Trop. Subtrop. Pflanzenwelt 93, 1–185 (1995).
Whitney, H. M., Reed, A., Rands., S. A., Chittka, L. & Glover, B. J. Flower iridescence increases object detection in the insect visual system without compromising object identity. Curr. Biol. 26, 802–808 (2016).
Lunau, K. Flower colour: How bumblebees handle colours with perceptually changing hues. Curr. Biol. 2, R229–R231 (2016).
Daumann, E. On the pollination ecology of Parnassia flowers. A new contribution to the experimental flower ecology. Biol. plant. 2, 113–125 (1960).
Pyke, G. H. Floral nectar: Pollinator attraction or manipulation? Trends Ecol. Evol. 31, 339–341 (2016).
Kraaij, K. & van der Kooi, C. J. Surprising absence of association between flower surface microstructure and pollination system. Plant Biology, 22, 177–183 (2020).
Erickson, E. H. & Garment, M. B. Soya-Bean flowers: Nectary ultrastructure, nectar guides, and orientation on the flower by foraging honeybees. J. Apic. Res. 18, 3–11 (1979).
Whitney, H. M., Glover, B. J., Walker, R. & Ellis, A. G. The contribution of epidermal structure to flower colour in the South African flora. Curtis’s Bot. Mag. 28, 349–371 (2011).
Johnson, S. D. & Midgley, J. J. Pollination by monkey beetles (Scarabaeidae: Hopliini): Do color and dark centers of flowers influence alighting behavior? Environ. Entomol. 30, 861–868 (2001).
Vignolini, S. et al. The mirror crack’d: both pigment and structure contribute to the glossy blue appearance of the mirror orchid. Ophrys speculum. New Phytol. 196, 1038–1047 (2012).
Paulus, H. F. Speciation, pattern recognition and the maximization of pollination: general questions and answers given by the reproductive biology of the orchid genus Ophrys. J. Comp. Physiol. A 205, 285–300 (2019).
Dafni, A. et al. Red bowl-shaped flowers: convergence for beetle pollination in the Mediterranean region. Israel J. Bot. 39, 81–92 (1990).
Van Kleunen, M., Nänni, I., Donaldson, J. S. & Manning, J. C. The role of beetle marks and flower colour on visitation by monkey beetles (Hopliini) in the greater cape floral region, South Africa. Ann. Bot. 100, 1483–1489 (2007).
Thomas, M., Rudall, P., Ellis, A., Savolainen, V. & Glover, B. J. Development of a complex floral trait: the pollinator-attracting petal spots of the beetle daisy, Gorteria diffusa (Asteraceae). Am. J. Bot. 96, 2184–2196 (2009).
McDonald, D. J. & van der Walt, J. J. A. Observations on the pollination of Pelargonium tricolor, section Campylia (Geraniaceae). S. Afr. J. Bot. 58, 386–392 (1992).
Dafni, A. Mimicry and pollination by deception. Annl. Rev. Ecol. Syst. 15, 259–278 (1984).
Lloyd, D. G. & Barrett, S. Floral Biology. Studies on Floral Evolution in Animal-Pollinated Plants. Chapman and Hall 1996).
Willmer, P. Pollination and Floral Ecology (Princeton University Press 2011).
Johnson, S. D. & Schiestl, F. P. Floral mimicry (Oxford University Press 2016).
Raguso, R. A. Why are some floral nectars scented? Ecology 85, 1486–1494 (2004).
Knauer, A. C. & Schiestl, F. P. Bees use honest floral signals as indicators of reward when visiting flowers. Ecol. Lett. 18, 135–143 (2015).
Parachnowitsch, A. L., Manson, J. S. & Sletvold, N. Evolutionary ecology of nectar. Ann. Bot. 123, 247–261 (2019).
Indsto, J. O. et al. Pollination of Diuris maculata (Orchidaceae) by male Trichocolletes venustus bees. Austr. J. Bot. 54, 669–679 (2006).
Source: Ecology - nature.com
