Neue Al!gem. Deutsche Gart. Blumen- zeitschr. 5: 225-227 (1849); Andersson, Nord. J. Bot. 1: 235-236 (1981).
Usually caulescent herbs with antitropic, usually clustered leaves. Inflorescence a richly branched, but often diffuse, synflorescence; spathes often brightly colored, often caducous, Cymules ± evidently dolichoblastic, interphyll absent, bracteoles rarely present, rudimentary or scalelike. Corolla tube less than 1/2 the length of lobes, mostly obsolete; outer staminodes absent or 2, rudimentary to petaloid; callose staminode firm and fleshy ± thoughout. (From Kubitzki, et al., p. 291)
Found all over the humid American tropics, but concentrated in Central America and SE Brazil.
Comprises ten to 15 species.
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