Periploca calophylla (Wight) Falconer subsp. floribunda (Tsiang) Browicz.

Shrubs scandent, to 5 m. Young branches tawny, longitudinally striate, terete, glabrous. Petiole ca. 3 mm; leaf blade oblong-lanceolate to oblong-elliptic, 4.7-5.5 × 1-1.6 cm, somewhat leathery; lateral veins subparallel, numerous. Cymes extra-axillary, trichotomous, 3-5 cm, to 20- (or more) -flowered. Sepals ovate, ca. 1.5 × 1 mm. Corolla purple; tube ca. 1.5 mm; lobes oblong, ca. 4 × 2 mm, glabrous outside, tomentose inside. Corona lobes densely pilose, outer teeth scalelike, very small. Filaments free, villous on back of connective; stigma head conical. Fl. Sep.

Montane forests; ca. 1800 m. Yunnan [Vietnam].