Blastus cochinchinensis Lour.

Shrubs 0.6-3 m tall. Stems terete, densely yellow glandular when young, glabrescent. Petiole 1-2(-3) cm, glandular; leaf blade lanceolate, narrowly elliptic, or elliptic-lanceolate, 6-12(-18) × 2-4(-5) cm, papery to substiffly papery, abaxially densely glandular, adaxially sparsely glandular but glabrescent, secondary veins 1(or 2) on each side of midvein, base cuneate, margin entire or very inconspicuously denticulate, apex acuminate. Inflorescences axillary, umbellate cymose; peduncle ca. 2 mm to almost absent. Pedicel ca. 3 mm, densely glandular. Hypanthium campanulate-funnelform, obtusely 4-sided, ca. 4 mm, densely peltate glandular. Calyx lobes 4(or 5), broadly ovate, ca. 1 mm. Petals 4(or 5), white or pink, ovate, ca. 4 mm, apex acuminate to subacute. Stamens 4(or 5); filaments ca. 4 mm; anthers pink, lanceolate, ca. 4 mm, geniculate; connective slightly inflated, decurrent at base of anther. Ovary inferior, urceolate, 4-celled, slightly glandular. Capsule elliptic to ovoid, ca. 3 × 2-3 mm, 4-sided, glandular. Fl. Jun-Aug, fr. Oct-Dec.

Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Taiwan, Yunnan [Cambodia, India, Laos, Myanmar, Vietnam].

Mixed forests, stony soil; 200-1300 m.

Anplectrum parviflorum Bentham; Blastus marchandii H. Léveillé; B. parviflorus (Bentham) Triana.