生活型

herb

形態特徵

• A perennial, glabrous herb, 5–20 cm high, caespitose.
• Leaves subcoriaceous, long-petiolate, the petioles 5–15 cm long, sheathing at base, the leaf-blades cordate-suborbicular, 2–5 cm in diameter, ternate; leaflets rhombic-ovate, usually 2–3-lobed, cuneate at base, the margins serrate, with long inflexed sharp projections at the end of the nerves; cauline leaves samll or none.
• Umbels 1–3, pedunculate; peduncles 2–5 cm long; involucres few, linear; umbellules 4–7-flowered; staminate flowers 3–6, exterior, the pedicels 1–2 mm long; calyx-teeth persistent, about 1 mm long; petals white, ovate, with narrow inflexed apices; style of perfect flower slender, reflexed, twice as long as the calyx
• Fruit oblong-ovoid to ovoid, 2.5 mm long, 2 mm broad, densely spined; carpels terete in cross section. Vittae 5 in carpel. Seed-face plane.

分布

• 台灣 : Taiwan, in woods at low to medium altitudes throughout the island.
• 世界 : Distributed in Japan, the Ryukyus and southern China.

引證標本

TAIPEI: Tatunshan, Kao 3607. ILAN: Taipingshan, Suzuki 103. TAOYUAN: Peichiatienshan, Kuo 2520. CHIAYI: Mt. Ali, Ishizaki s. n. 1931. TAITUNG: Hsinkiangshan, Yamamoto 974. HUALIEN: Chingshuishan, Shimizu & Kao 11702.

參考文獻

• KAO, MUH-TSUEN, Flora of Taiwan, second edition 3: 1038-1040. .  (Fl. Taiwan 2nd edit.)