Trends in the phenology of flowering in the orchidaceae of Western Mexico

In western Mexico, a pronounced dry season occurs from mid-November to mid-May, and a wet season extends over the rest of the year. Flowering phenology of orchids in this area follows patterns that seem to be influenced mostly by rain-drought seasonality, energy budget, habit, and subfamilial affili...

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Bibliographic Details
Published in:Biotropica 1996-03, Vol.28 (1), p.130-136
Main Author: Sahagun-Godinez, E. (Universidad Autonoma de Guadalajara, Guadalajara, Jalisco, Mexico.)
Format: Article
Language:English
Subjects:
COMMUNAUTE VEGETALE
COMUNIDADES VEGETALES
Deciduous forests
Dry seasons
ECOLOGIA VEGETAL
Flowering
Flowers
Lowland forests
MEXICO
MEXIQUE
Orchidaceae
PERIODICIDAD
PERIODICITE
PERIODICITY
Phenology
PHYTOECOLOGIE
PLANT COMMUNITIES
PLANT ECOLOGY
Plants
Rain
Rainy seasons
SEASONALITY
Tropical forests
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Summary:In western Mexico, a pronounced dry season occurs from mid-November to mid-May, and a wet season extends over the rest of the year. Flowering phenology of orchids in this area follows patterns that seem to be influenced mostly by rain-drought seasonality, energy budget, habit, and subfamilial affiliation. Orchids in western Mexico, as a whole, had a peak in their flowering activity in the rainy season, with a slight decrease in the number of species in flower at the outset of the rainy season (May). This, in general, is consistent with the findings of Johansson for West Africa. On the other hand, when terrestrial and epiphytic species were analyzed separately, their flowering behavior in relation to rainfall varied markedly.
ISSN:0006-3606
1744-7429
DOI:10.2307/2388778