毛杜仲藤 mao du zhong teng

Parabarium huaitingii Chun & Tsiang, J. Arnold Arbor. 28: 245. 1947.

Lianas to 15 m, minutely tomentose or densely pubescent. Petiole ca. 5 mm; leaf blade ovate or elliptic, 2.5-7.5 X 1.5-3.5 cm, papery; lateral veins ca. 10 pairs. Cymes corymbose, axillary or terminal, 4-6 cm; bracts leaflike, 1-3 X 0.5-1 mm. Sepals narrowly oblong, ca. 2 mm. Corolla yellow, tube ca. 2 mm; lobes obliquely oblong, falcate, longer than or as long as tube, entire. Disc 5-partite. Ovary pilose; ovules ca. 10 in each carpel. Follicles narrowly ovoid, 6-7 X 1.5-2 cm, dilated at base. Seeds very narrowly oblong, 1-1.5 cm x 2-3 mm, coma ca. 3 cm. Fl. Apr-Jun, fr. Jun-Dec.

* Open forests, moist valleys; 200-1000 m. Guangdong, Guangxi, Guizhou, Hainan

The bark and roots are used to treat rheumatalgia and injury. The leaves are used externally to stop bleeding.