Abstract
The monotypic genus Idimanthus (Araceae-Caladieae), represented by the species Idimanthus amorphophalloides, is here described and illustrated. It differs from all Caladieae by its connective ending in a rostrate beak turned downward, but the combination of cormous geophytic stem, copious endosperm, densely arranged fertile flowers and sterile flowers densely arranged in an apical appendix did not match any other genera in the tribe. It was collected in a marble outcrop in Northern Rio de Janeiro state, in the county of Italva, nearby the city of Cardoso Moreira as an understory herb. The aspect of leafless inflorescences with a long apical staminoidal area appearing directly from the soil is remarkably peculiar for Southeastern Brazilian aroids.
Subject
Plant Science,Ecology, Evolution, Behavior and Systematics
Cited by
2 articles.
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1. Distribution of Araceae and the Diversity of Life Forms;Acta Societatis Botanicorum Poloniae;2020-11-12
2. Araceae, a Family with Great Potential;Annals of the Missouri Botanical Garden;2019-02-27