海南厚皮香 hai nan hou pi xiang

Trees 10-25 m tall. Young branches grayish brown, glabrous. Petiole 1-1.6 cm, glabrous; leaf blade elliptic to broadly elliptic, 3-9 × 2.5-4.5 cm, leathery, abaxially pale green and densely dark red glandular punctate, adaxially dark green and shiny, both surfaces glabrous, midvein abaxially elevated and adaxially impressed, secondary veins 5-8 on each side of midvein and obscure on both surfaces or adaxially slightly impressed, reticulate veins obscure, base cuneate, margin slightly revolute and entire or rarely apically serrate, apex abruptly acute to shortly acuminate. Flowers axillary and solitary or often several clustered on leafless branchlets. Pedicel 1-1.5 cm, slightly recurved, glabrous. Male flowers: bracteoles 2, triangular-ovate, ca. 3 mm; sepals ovate-orbicular, ca. 5 × 4 mm, margin glandular dentate, apex rounded; petals white, broadly obovate, ca. 7 × 6 mm, apex rounded; stamens ca. 36, ca. 4.5 mm; anthers oblong, ca. 3 mm; pistillode very small. Bisexual flowers not seen. Fruit subglobose, 1-1.3 × 1-1.5 cm, 4-loculed with 1 seed per locule; pedicel 1-2.5 mm; persistent bracteoles triangular, ca. 3 mm, apex acute; persistent sepals ovate-orbicular, 5-6 mm, apex rounded. Seeds reniform-oblate, 5-6 mm in diam. Fl. May-Jun, fr. Aug-Oct.

● Forests on mountain slopes or in valleys; 900-1400 m. Hainan.