Echites marginata Roxburgh, Fl. Ind. ed. 1832 2: 15. 1832; Aganosma acuminata (Roxburgh) G. Don; Amphi-neurion acuminatum (Roxburgh) Pichon; E. acuminata Roxburgh.

Lianas to 8 m. Stems and branches lenticellate. Petiole ca. 1 cm; leaf blade oblong, 4.5-12 X 2-4 cm, abaxially pubescent especially along veins, base acute to rounded, apex acuminate or caudate; lateral veins 12-15 pairs, elevated abaxially. Cymes axillary, 3-branched; peduncle puberulent; bracts and bracteoles sublinear. Pedicel puberulent. Calyx with a continuous row of numerous basal glands inside; sepals sublinear, 5-7 mm, puberulent outside. Corolla white or yellowish, tube 8-10 mm, densely villous inside; lobes very narrowly elliptic, 1.5-2 cm X 2-3.5 mm. Stamens inserted below middle of corolla tube; disc ringlike, shorter than ovary. Ovary glabrous. Follicles 2, cylindric, 15-40 X ca. 1 cm. Seeds oblong, flat, ca. 1 cm, coma ca. 2.7 cm. Fl. Mar-Sep, fr. Jun-Dec.

Montane forests, seashore brushwoods. Guangdong, Hainan [Cambodia, India, Indonesia, Laos, Malaysia, Philippines, Thailand, Vietnam].