Orthosia Decaisne. Subfamily: Asclepiadoideae. Swallowwort.
A genus of about 40 species, lianas or herbaceous vines, of the se. United States, West Indies, Central America, and n. South America (Fishbein 2023e; Endress et al. 2018).
Ref: Endress et al. (2018) In Kadereit & Bittrich (2018); Fishbein (2023e) In Flora of North America Editorial Committee (2023c); Liede (1997b); Liede-Schumann & Meve (2008). Show full citations.
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