生活型

herb

形態特徵

• A perennial, robust herb, 1–2 m high.
• Leaves radical or cauline, deltoid, 8–25 cm long, ternate or ternate-pinnate, the leaflets ovate to lanceolate, deeply lobed, the base cuneate-attenuate, 1–5 cm long, the apex cuspidate; petioles 5–15 cm long, broadly sheathing at base; cauline leaves reduced upward, the sheaths linear to narrowly oblong and scarcely inflated.
• Umbels compound; peduncles 3–10 cm long; involucres several, linear; bracts about 1 cm long, the apex sometimes 3-lobed; rays 10–15, 3–4 cm long, shorter than or exceeding the flowers; calyx-teeth minute; petals ovate, glabrous, narrowly inflexed at apex; style persistent, reflexed; stylopodium conical.
• Fruit oblong-ovate to suborbicular, 3–4 mm broad, pubescent, the dorsal ribs filiform, acute to slightly winged, the lateral ribs winged, broader than the dorsal, but much narrower than the body. Vittae 3–5 in the interval, 7–8 on the commissure. Seeds strongly compressed dorsally.

分布

• 台灣 : Endemic. At medium to high altitudes throughout the island.

引證標本

ILAN: Ssuyuan, Suzuki s. n. 1928. TAICHUNG: Soling, Sasaki s. n. 1930. NANTOU: Tungpu to Patungkuan, Tamura, Shimizu & Kao 21905*. CHIAYI: Yushan, Sasaki s. n. 1923. PINGTUNG: Ali, Yang 2034. HUALIEN: Tailuko, Suzuki 10486.

參考文獻

• KAO, MUH-TSUEN, Flora of Taiwan, second edition 3: 1034. .  (Fl. Taiwan 2nd edit.)