• Scientific Name: Cynanchum mooreanum Hemsl.
• Ref: F.B.Forbes & Hemsley, J. Linn. Soc., Bot. 26:108. 1889
• Synonyms: Cynanchum affine Hemsl., Vincetoxicum affine (Hemsl.) Kuntze, Vincetoxicum chinense S. Moore
• Chinese Common Name: 毛白前 máo∙báiqián, 龙胆白前 lóngdǎn báiqián, 老君须 lǎojūn∙xū
• Family: Apocynaceae
• Genus: Cynanchum
• Distribution: Thickets, open woods; 200-800 m. Anhui, Fujian, Guangdong, Guangxi, Henan, Hubei, Hunan, Jiangxi, Taiwan, Zhejiang.
• Photo: 06/12/2013, Baizhang Ridge, Zhejiang

Plants slender climbers. Stems twining, to 2 m, densely pubescent. Leaves opposite; petiole 1-2 cm, pubescent; leaf-blade ovate-cordate to ovate-oblong, 2-8 × 1.5-3 cm, smaller in the inflorescence, pubescent, base cordate or truncate, apex acute; lateral veins 4 or 5 pairs. Inflorescences umbel-like, to 9-flowered; peduncle 0-1.5(-4) cm, pubescent. Pedicel 5-13 mm. Sepals ovate, ca. 2.5 mm, pubescent; basal glands minute. Corolla purple, rotate, glabrous, deeply divided; lobes oblong-lanceolate, 6.5-8(-10) × 2-2.5 mm. Corona cupular, 5-lobed; lobes ovate to ± square, obtuse to truncate, shorter than gynostegium, adnate at base to corresponding anther. Anther appendages broadly ovate; pollinia ovate-oblong. Stigma head depressed. Follicles lanceolate in outline, 7-9 × ca. 1 cm. Seeds brown, oblong, comose. Fl. Jun-Jul, fr. Aug-Dec. (Flora of China)