Duvaliaとは 意味・読み方・使い方

Studied by Haw. in Syn. Pl. Succ., 44 (1812). - Albers & Meve, Asclepiadaceae (2002): this genus is valid. Found in South Africa & Tropical Africa. Well defined by disc-like corona (unique in family) and stipitate gynostegium. 17 species recognised. Etymology: for Henri Auguste Duval (1777–1814) French physician and botanist. Closely related to Huernia. The genus was established in 1812 by Haworth to include 3 species [from the then Stapelia, S caespitosa, S. elegans, and S reclinata] W&S recognised 15 species in 1937, Duvalia now contains 22 species, it is also the most widely distributed of all the "southern Duvalias"