Botanical name: Heterostemma dalzellii Family: Apocynaceae (Oleander family)
Synonyms: Heterostemma wallichii
Dalzell's Heterostemma is a large climber, with cylindrical stems swollen at nodes, with purple tinge. Branches have two opposite lines of hairs. Oppositely arranged leaves are broadly ovate, 12-18 cm long, pointed at the tip, rounded at the base, carried on 3-7 cm long stalks. Flowers are borne in umbel-like clusters, carried on stout stalks. Flowers stalks are 6 mm. Flowers are flat, with 5 ovate petals. Flowers start out cream, with a yellow center. They mature to pink, with maroon centers. Dalzell's Heterostemma is found in the Western Ghats. Flowering: August-September.
Identification credit: Dinesh Valke & Satish Pardeshi
The flower labeled Dalzell's Heterostemma is ...