天星藤 tian xing teng

Holostemma pictum Champion ex Bentham, Hooker's J. Bot. Kew Gard. Misc. 5: 53. 1853.

Lianas to 8 m, glabrous. Stipules present, leafy, rounded to ovate, 1-3.5 × 0.8-1.5 cm, amplexicaul; petiole 1-4.5 cm, flat, with a group of adaxial glands; leaf blade oblong-lanceolate, 6-20 × 2.5-7 cm, base rounded, sometimes minutely cordate, apex acuminate or acute; lateral veins ca. 10 pairs, pale. Inflorescences 3-12-flowered; peduncle 0.5-5 cm. Pedicel 0.5-1.5 cm. Corolla green outside, purplish with yellow margin inside; lobes oblong, 8-10 × 3-4 mm, minutely ciliate. Follicles 9-11 × 3-4 cm. Seeds brownish, ovate, ca. 1.3 cm; coma to 4 cm. Fl. Apr-Sep, fr. Jul-Dec.

Open woods, bushland; 100-700 m. Guangdong, Guangxi, Hainan [Vietnam]

Decoction of all parts is used for the treatment of traumatic injury and sore throat.