假海桐 jia hai tong

Pittosporopsis nervosa Gagnepain; Pittosporum nervosum (Gagnepain) Gowda; Stemonurus yunnanensis Hu.

Plants (1-)4-7(-17) m tall. Bark red-brown; branchlets brown-green, sparsely lenticellate; young branches green, slightly puberulent. Petiole 1.5-2.5 cm, glabrescent, adaxially grooved; leaf blade shiny, abaxially light green, adaxially dark green, 12-22 × 4-8.5 cm, abaxially slightly hairy on midvein, lateral veins 5-7 pairs, midvein and lateral veins prominent abaxially, slightly concave adaxially, reticulate veins sparse and conspicuous, base gradually narrowed, apex acuminate or obtuse. Cymes 3-4.5 mm, puberulent; peduncle 1.5-2.5 mm, with branches 0.4-0.8 cm; pedicel yellow puberulent; bractlets 3 or 4, scalelike. Flower buds green, oblong. Calyx ca. 2 mm; lobes triangular, ca. 1 × 1 mm, outside sparsely golden puberulent. Petals yellow-green at first, becoming white-green to white, 5-7 × 1.5-2 mm, except for lateral margins densely golden puberulent outside in bud, glabrescent to glabrous, fragrant. Stamens ca. as long as petals; filaments ca. 1 mm wide; anthers white, 1-1.5 mm. Disk to 1 mm. Ovary conical, 1.5-2 mm; style clavate, 3-4 mm. Drupe white-green, edible when young, brown and 2-ribbed when dry, 2.5-3.5 × 2-2.5 cm. Seeds with a light red-brown, very thin testa; endosperm yellow-white. Fl. Oct-May, fr. Feb-Oct.

Dense valley forests; 300-1600 m. S Yunnan [Laos, Myanmar, Thailand, N Vietnam].

The seeds are edible and are said to be used medicinally.