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Observations on the big bang flowering of Miconia minutiflora (Melastomataceae)

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Abstract

Trees ofMiconia minutiflora produced abundant flowers for only one to three days during mid-April 1983 in the vicinity of Saül, French Guiana. They attracted large numbers of at least 14 species of bees that collected nectar or pollen or both. Nectar production is uncommon in the Melastomataceae and not previously reported forMiconia. Peak bee activity at the trees was in the morning and by afternoon most visits were limited to those bees in search of remnant pollen, especially species ofTrigona. As has been shown for other neotropical plants, heavy rains may trigger flowering in this species. It is suggested that the flowering system ofM. minutiflora promotes outcrossing because of interactions among the numerous species of bees visiting the trees and because of inter-individual variation in nectar and pollen availability. Therefore, bees may fly to other trees instead of becoming satiated with nectar or pollen from a single tree.

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Authors and Affiliations

  1. New York Botanical Garden, 10458, Bronx, NY

    Scott A. Mori & John J. Pipoly

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  1. Scott A. Mori
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  2. John J. Pipoly
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Mori, S.A., Pipoly, J.J. Observations on the big bang flowering of Miconia minutiflora (Melastomataceae). Brittonia 36, 337–341 (1984). https://doi.org/10.2307/2806595

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