生活型

shrub

形態特徵

• A shrub, dioecious. Branchlets with hooked prickles.
• Leaves to about 12 cm long, imparipinnate, the rachis glabrous, flat, slightly winged; leaflets chartaceous, of 5–8 pairs, sessile, opposite, ovate-oblong, glabrous or occasionally with a few hairs beneath, about 20–25 mm long, 7–8 mm broad, acute to acuminate at base, the margins coarsely serrate, distinctly pellucid-punctate, pale beneath; petioles and rachis 15 cm long.
• Flowers in short terminal cymose panicles. Female flowers: pedicels glabrous, 1 mm long; sepals triangular, small, 0.6 mm long, glabrous; petals oblong, 2.5 mm long, 1.2 mm broad, acutish at apex, glabrous; gynoecium 3–4 carpellate; stigmas globose.
• Fruit of 1–3 capels, each about 3 mm across; seeds black, shining.

分布

• 台灣 : in forests at medium altitudes throughout the island.
• 世界 : China, Japan and Korea.

引證標本

ILAN: Taipingshan, Chang 4927. TAICHUNG: Liu s. n. 213*, Matuda s. n. 1919*; Pahsienshan, Chang 1422. PINGTUNG: N. Tawushan, Chang 1798. HUALIEN: Mukuashan, Chang 2630.

引用文獻

• CHANG, CHING-EN and HARTLEY, TOM G., Flora of Taiwan, second edition 3: 541. 1993.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)