Botany: 2 genera, Gelsemium, Mostuea; 11 species; tropical; South America, Africa,
Madagascar, Asia; climbers; stigmas divided; flowers heterostylous, yellow-white corollas, superior ovaries; leaves without stipules.
TaxonomyGelsemium has in the past been incorporated in the
Loganiaceae. The
Apg3 classification has made it clear that it should be in its own family, in the order
Gentianales.
In the
Plant theory Gelsemiaceae is placed in
Subphase 2.