Abstract
Schmidtottia Urb. (Rubiaceae, Condamineae) is an endemic genus of the old serpentine ranges (Sagua-Baracoa Massive) of Eastern Cuba in the West Indies containing 16 species and 4 subspecies according to Liogier (1962) and Borhidi (1980). Within the framework of the Flora of the Greater Antilles project a new taxonomic revision has been made with an amplified descriptions of the taxa and with some taxonomic modifications, e.g. Schmidtottia neglecta spec. nov. and a new analytic key for the genus. Ceuthocarpus was separated of Schmidtottia by Aiello (1979), as a monotypic endemic (C. involucratus) serpentinophilous genus of Eastern Cuba. Its variability range is described here distinguishing three varieties, var. involucratus, var. elatior and var. moaensis.
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