生活型

herb

形態特徵

• Perennial erect to ascending herbs to 60 cm tall, sometimes scrambling; branches sharply 4-angled, glabrous or scabrous.
• Leaves petiolate, ovate to oblong-lanceolate, 4–10 cm long, 1–3 cm wide, apex acute to acuminate, base cuneate to attenuate, glabrous to subscabrous except pubescent on midribs on lower surface, lateral veins distinct; petiole 3–10 mm long; stipular sheath deltate, with 4 or 6 bristles.
• Flowers in terminal or axillary paniculate cymes, peduncle 1–2 cm long, pedicel 1–2 mm long; calyx 4–5 mm long, lobes linear-lanceolate, ca. 2.5 mm long; corolla white, 5–6 mm long, hairy inside; heterostylous; stamens long exserted or included; style included or exserted.
• Fruit globose, 2–3 mm in diam.

分布

• 台灣 : broad-leaved forest in the central part of the island.
• 世界 : S. China.

引證標本

NANTOU: Chingshuikou, Huang 1856; Sun Moon Lake, Hsieh 1351. CHIAYI: Chiaoliping, Yang 3516.