生活型

herb

形態特徵

• Perennial pubescent herbs, upright, 12-70 cm tall. Roots fibrous.
• Leaves monomorphic, ternate or simple, terminal ones 3-partite, 1.9-6.7 cm long, 1.5-6.5 cm wide; ovate or widely elliptic; 3- or more lobed; apex acute; base obtuse, acute or truncate; margin serrate; sparsely pubescent on adaxial surface, pubescent on abaxial surface; petioles 3.7-18 cm long.
• Inflorescence a cyme or cyme; pedicels 1.2-8 cm long, pubescent. Flowers 9-18 mm long in diam., yellow; sepals 5, 4.5-6 mm long, 2-4 mm wide; spreading, broadly elliptic or elliptic, pubescent outside, glabrous inside; petals 5, 6-7 mm long, 3-4 mm wide; obovate or elliptic, glabrous on both sides; stamens numerous, 2.5-4.5 mm long, anthers oblong, 1-1.5 mm long, filaments linear; carpels many, glabrous; receptacles glabrous.
• Fruiting head globose; achenes 3-5 mm long, obovate-orbicular, glabrous, compressed laterally; styles persistent, short, recurved.

物候

Flowering March to September; fruiting May to October (-Febuary).

分布

• 台灣 : semi-wet places, stream sides and forest margins, below 2,500 m, but sometimes to 3,000 m altitude.
• 世界 : India, southern mainland China, Vietnam, Hong Kong, Japan, Ryukyus and Korea.

引證標本

TAIPEI: Tanshui, Tanhai, Yang & Wang 4465. ILAN: Mt. Tayuanshan, Kao 3144. HSINCHU: Temple Lienhuasi, Kuoh 13064. TAICHUNG: Tahsueshan forest track, Yang & Cheng 6358. NANTOU: Chingshuikou, Huang, Kou & Kao 828. YUNLIN: Wind-break Institution campus, Shimizu 11540. CHIAYI: Chuchi, Lake Fenchihu, Huang & Huang 13991. KAOHSIUNG: Tengchih lodging area to Shihshan, Lin et al. 394. HUALIEN: Nanshan, Lu & Ou 1797.

參考文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG. 1996. Flora of Taiwan, second edition 2: 550. (Fl. Taiwan 2nd edit.)