米咀闭花木 mi ju bi hua mu

Cleistanthus integer C. B. Robinson; C. monocarpus R. I. Milne; C. quadrifidus C. B. Robinson; Kaluhaburunghos pedicellatus (J. D. Hooker) Kuntze.

Treelets or trees, up to ca. 16 m tall; bark gray; plants glabrous except for puberulent pedicel, disk of male flowers, ovary, and young fruits. Stipules triangular, shorter than petiole; petiole 3-7 mm; leaf blade elliptic-ovate or elliptic, 4-11(-14.5) × 2-5(-6.5) cm, leathery, base obtuse to rounded, apex long acuminate; lateral veins 4-8 pairs, reticulate venation prominent. Glomerules axillary, sometimes on smaller-leaved or leafless shoots; peduncles short; flowers monoecious, distinctly pedicelled; pedicels 5-10(-13) mm. Male flowers ca. 7 mm in diam.; pedicel more slender than female ones; receptacle flattened; sepals 5, lanceolate; petals 5, ovate, lanceolate, or spatulate, emarginate and crenulate; disk annular; staminal column 1-1.5 mm; free filaments ca. 1 mm; anthers ellipsoid to ovoid, up to 1 mm; rudimentary ovary longer. Female flowers: receptacle cup-shaped; sepals 5, narrowly triangular; petals 5, obovate, shorter than sepals; disk urceolate, membranous, puberulent, covering base of ovary; ovary globose; styles 3, bifid. Fruiting pedicel 12-15 mm; capsule globose-trigonous, 3-celled, 3-valved when mature, 5-8 × 7-10 mm in diam.; carpodermis reticulate when young, later smooth. Seeds semiglobose, up to 4.5 mm. Fl. Apr-May, fr. Jun-Aug.

Primary lowland forests; below 300 m. Guangxi (Longgang) [Indonesia, Malaysia, New Guinea, Philippines].