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Pollination Biology of <i>Myrrhinium</i> atropurpureum (Myrtaceae): Sweet, Fleshy Petals Attract Frugivorous Birds
20
Citations
29
References
1997
Year
BiologyAbstract Myrrhinium AtropurpureumSouth AmericaBotanyPlant-insect InteractionNatural SciencesEvolutionary BiologyPlant ReproductionSemiochemicalPollination MechanismPlant-animal InteractionPlant BiodiversityPlant TaxonomyBiotic InteractionPollination Biology
ABSTRACT Myrrhinium atropurpureum has unusual floral characteristics: sweet, juicy petals, long vivid stamens, and absence of nectar and odor. This uncommon syndrome is morphologically and anatomically described. Floral phenology is also described, and censuses of flower visitors are provided. The main pollinators are frugivorous passerine birds, which are attracted by the petals. This type of floral reward is vev uncommon and seems to be restricted, in South America, to Myrrhinium, Feijoa (Myrtaceae) and Calceolaria (Scrophulariaceae). The possible origin of the pollination mechanism is discussed. RESUMEN Myrrhinium atropurpureum posee caracteres florales inusuales: pétalos dulces y carnosos, estambres exertos y vistosos, y ausencia de néctar y perfume. Este poco común síndrome floral es descrito morfológica y anatómicamente. Se describe la fenología floral y se censaron los visitantes a las flores. Los principales polinizadores son aves frugívoras, que son atraídas por los pétalos. Este tipo de recompensa floral es infrecuente y parece estar restringido, en Sudamérica, a Myrrhinium, Feijoa (Myrtaceae) y Calceolaria (Scrophulariaceae). Se discute el posible origen de este mecanismo de polinización.
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