南亚柏拉木 nan ya bai la mu

Blastus cogniauxii Stapf.

Shrubs. Stems terete; branches densely puberulous and glandular, glabrescent. Petiole 0.7-2 cm, puberulous; leaf blade lanceolate to ovate-lanceolate, 11-21 × 3-6.5 cm, papery to submembranous, abaxially puberulous along veins when young otherwise densely yellow glandular, adaxially glabrous, secondary veins 2 on each side of midvein, base cuneate to obtuse, margin entire, apex acuminate. Inflorescences axillary, compound cymose, ca. 3.5 cm, puberulous; bracts caducous. Pedicel ca. 2 mm. Hypanthium campanulate-funnelform, 1.1-2.7(-3.5) mm, 4-sided, glandular. Calyx lobes broadly triangular, ca. 1 mm, apex acuminate. Petals white or yellow, broadly ovate, ca. 3 × 1.5 mm, sparsely glandular, margin minutely dentate, apex acuminate. Stamens 4; filaments ca. 3 mm, glandular; anthers (0.9-)1.4-2.8(-3.5) mm, curved, geniculate, adaxially at most 2-tuberculate; connective not inflated. Ovary inferior, ovoid-elliptic, 4-celled, glandular. Capsule elliptic, glandular, crowned by hypanthium lobes. Fl. ca. Apr but sometimes Dec, fr. Aug-Sep.

Dense mixed forests, valleys, mountain slopes, stream banks, moist places; below 100-1300 m. Hainan [Indonesia, Malaysia, Thailand, Vietnam].