生活型

herb

形態特徵

• An annual herb, 30–70 cm high, hispid throughout.
• Leaves bipinnate; leaflets ovate, oblong to lanceolate, usually pinnately lobed.
• Umbels compound; involucres 4–8, of linear bracts, longer than the pedicels. Flowers white; calyx-teeth rough-bristled; petals obovate, with narrow inflexed apices. Fruit ovate-oblong, 1.5–4 mm long, densely covered with incurved-ascending, uncinate bristles.
• Vittae solitary or rarely 2 in the interval, 2 on the commissure. Seeds with the inner face sulcate.

分布

• 台灣 : Along roadsides and on mountain slopes at low to medium altitudes throughout the island.
• 世界 : Distributed in Japan, the Ryukyus, China, eastern India, North Africa and Europe.

引證標本

TAIPEI: Shihmen, Chuang 3981. ILAN: Ssyuan, Hosokawa 2392. TAOYUAN: Taoyuan, Huang 8285. HSINCHU: Kwanwu, Huang 4743. NANTOU: Tongyiang to Yunhai, Huang, Hsieh & Kao 5688. TAICHUNG: Lishan, Kao 4551. HUALIEN: Tayuling, Kao 7027.

參考文獻

• KAO, MUH-TSUEN, Flora of Taiwan, second edition 3: 1043. .  (Fl. Taiwan 2nd edit.)