Keywords
N. innocentii
Bromeliaceae
facultative epiphytes
swamp forest
Brazil
How to Cite
Abstract
Nidularium procerum and N. innocentii(Bromeliaceae) are facultative epiphytes which grow in a swamp forest, within the Brazilian Atlantic rain forest domain, both as terrestrials and as epiphytes. In order to test the hypothesis that habitat choice takes place for these species, we estimated the number of terrestrials versus epiphytic ramets in a 0.25 hectare plot and performed transplant experiments to assess the viability of epiphytic growth in terrestrial ramets. Space for fixation, rosette stability and lack of competitors seemed to account for both species preference for the flooded ground, which is possible through their shoot autonomy for feeding and, possibly, rhizome flood-tolerance. It remains to be seen what are the constraints to seed production, since seedlings are not found on either ground or tree trunks.
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