Forsteronia difformis (Walt.) A. DC.
- Botanical Name
- Forsteronia difformis (Walt.) A. DC.
- Common Name
- Climbing Dogbane
- Trachelospermum difforme (Walt.) Gray; Thrysanthella difformis (Walter) Pichon
- Flora of Virginia Name/Status
- Trachelospermum difforme (Walt.) Gray
- A molecular study by Livschultz, et als (Ann. Missouri Bot. Gard. 94:324-359 (2007)) shows this species to be only distantly related to the Asian species of Trachelospermum. Two options exist, one being to recognize it in the monotypic genus Thrysanthella as was done by Pichon when he elevated Forsteronia section Thrysanthella to the rank of genus. The second is to consider it a member of Forsteronia. In the study by Livschultz, et als, it paired with F. corymbosa, a Puerto Rican species, with 100% support suggesting to us that De Candolle's name provides a good (more conservative) alternative until a study is conducted that specifically addresses the placement of this species.
- In a wide range of habitats, including floodplain forests and swamps, seasonal ponds and depression swamps, mesic to dry upland forests, and sandhills. Frequent to common in the s. and c. Coastal Plain, north to Caroline and Northampton counties; infrequent in the outer Piedmont, south of the James River.
- Native Status
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