The new generaItysaandLethia, of the Iridaceae, are proposed; the former with two species,I. gardneri(Bak.) Rav., from northeastern Brazil, andI. venezolensisRav., from Venezuela, the former based onCalydorea gardneriBaker, the latter described as new.Lethiais based onHerbertia umbellataKlatt.
展开▼
