生活型

climber

形態特徵

• Climbers 4.5–6 m tall; young branchlets with simple, pale to red-brown hairs, glabrescent, without scales, often with dull purplish brown tinge when dry; thorns wanting or present and recurved, up to 6 mm long.
• Leaves subcoriaceous to coriaceous, persistent, oblong, 7.5–18 cm long, 3.3–7.5 cm wide, rounded, sometimes narrower at apex, often with an abruptly short acuminate or small callous tip, acutish at base, midrib flat to shallowly grooved, lateral veins 6–8 pairs, thin, veinlets rather obscure, dull glossy, glabrescent above; petioles 1–2 cm long.
• Flowers 3–8(–20), in axillary subumbels, rarely in terminal panicles or solitary; peduncles to 10 cm long, angular; pedicels 1.7–5.5 cm long, hairy; sepals subcoriaceous, 0.7–2.1 cm long, 0.5–1.5 cm wide, with dense brown hairs outside, the outer pair very concave, free in bud; petals obovate, 1.2–2.8 cm long 0.5–0.8 cm wide, hairy inside, white; torus 2–5 mm wide; stamens 30–120, pinkish; gynophore 3–3.5 cm long, glabrous; ovary 2–4 mm long, 1.5–2 mm wide, glabrous, placentas 4. Stipe 0.3–1.1 cm long.
• Berry globose, ellipsoid or ovoid, often umbonate or pointed, 4–6.5 cm long, 4–5.5 cm wide, deep purple, pericarp to 1 cm thick, smooth, often sculptured; seeds 1.6–2.1 cm long, 1–1.5 cm wide.

分布

• 台灣 : in shady forests and open thickets, often along streams in the southern part and on the Hengchun Pennisula in Taiwan.
• 世界 : The Ryukyus?, Guangdong and Hainan. The typical phase occurs in Sikkim, eastern Himalaya.

引證標本

PINGTUNG: Mutan, Kao 4933; Kenting, Hsu 9249; Chiangkou, Kanehira 10863.

參考文獻

• LIU, TANG-SHUI and LIAO, JIH-CHING, Flora of Taiwan, second edition 2: 738. 1996.  (Fl. Taiwan 2nd edit.)