海南树参 hai nan shu shen

Gilibertia hainanensis Merrill & Chun, Sunyatsenia 2: 296. 1935; Dendropanax petelotii (Harms) Merrill; G. petelotii Harms; Textoria hainanensis (Merrill & Chun) Nakai.

Trees, to 18 m tall, apparently andromonoecious. Petiole 1-9(-12) cm, slender, to 1 mm in diam. Leaf blade elliptic, oblong-elliptic or less often ovate-elliptic, sometimes elliptic-lanceolate, (4-)6-11 × 2-5 cm, papery, not glandular punctate, secondary veins ca. 8 pairs, almost obscure, tertiary veins obscure, base cuneate (rarely nearly rounded), margin entire, apex long acuminate to caudate, curved downward, sometimes becoming falcate and folded in pressed material. Inflorescence terminal, a panicle of (2 or)3-5 umbels, mostly with bisexual flowers, usually some lateral umbels with male flowers; primary axis 1-4(-5.5) cm; peduncle 1.5-2 cm; pedicels (2-)3-6 mm in flower, 4-12 mm in fruit. Calyx nearly entire. Ovary 5-carpellate; styles completely united into a column. Fruit globose, 7-9 mm in diam., ribbed when dry; stylar column persistent, 1-1.5 mm; stigmas sessile. Fl. Jun-Jul, fr. Oct.

Forests in valleys or on mountain slopes; 700-1500 m. Guizhou, Guangdong, Guangxi, Hainan, S Hunan, SE Yunnan [N Vietnam].