Description from
Flora of China
Tylophora minutiflora Woodson, Ann. Missouri Bot. Gard. 21: 609. 1934; Secamone elliptica subsp. minutiflora (Woodson) Klackenberg; S. szechuanensis Tsiang & P. T. Li.
Plants to 5 m, glabrous except for petioles and inflorescences. Petiole 2-3 mm, puberulent; leaf blade elliptic-ovate, 3-6.5 × 1.2-2.5 cm, thin papery, base cuneate, apex acute, abaxially gland dotted; lateral veins inconspicuous. Cymes extra-axillary, ± umbel-like, shorter than leaves. Sepals ovate, ca. 1 mm, densely pubescent. Corolla ± rotate, ca. 4 mm in diam.; lobes oblong, ca. 1.5 mm. Corona lobes falcate. Stigma head clearly exserted from anthers. Follicles linear-lanceolate in outline, 5-6 cm × 6-9 mm, divaricate at 180-200º, glabrous. Seeds brownish, oblong, ca. 10 × 4 mm; coma white sericeous, to 2.5 cm. Fl. May-Jul, fr. Aug-Oct.
Previous authors have assumed that Woodson's original name was a later homonym of Tylophora minutiflora A. Chevalier (1920). However, Chevalier's name is invalid and thus Woodson's is legitimate.
* Open woods; 0-800 m. Guangxi, Guizhou, Sichuan, Yunnan