Vasilis Teodoridis:
Melastomataceae | Blastus
4. Blastus cochinchinensis Loureiro; Fl. Cochinch. 2: 527. 1790.
??? bai la mu
Anplectrum parviflorum Bentham; Blastus marchandii H. Léveillé; B. parviflorus (Bentham) Triana.
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) x 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 x 2-3 mm; 4-sided; glandular. Fl. Jun-Aug; fr. Oct-Dec.
Mixed forests; stony soil; 200-1300 m. Fujian; Guangdong; Guangxi; Guizhou; Hainan; Hunan; Taiwan; Yunnan [Cambodia; India; Laos; Myanmar; Vietnam].