生活型

herb

形態特徵

• Perennial rhizomatous pubescent herbs, spreading or upright, 5-30 cm tall. Roots fibrous.
• Leaves monomorphic, simple, 8-28 mm long, 9-46 mm wide; ovate, orbicular-cordate or deltoid, 3-partite, segments 3-5-lobed; apex acute; base turncate or cordate; margin coarsely serrate; pubescent on both surfaces or sparsely pubescent on adaxial surface; petioles 1.5-12 cm long.
• Inflorescence a terminal cyme; pedicels 2.8-10.8 cm long, pubescent. Flowers 10-24 mm in diam., yellow; sepals 5, 4-5 mm long, 2 mm wide, spreading, broadly elliptic or elliptic, pubescent outside, glabrous inside; petals 5, 7-12 mm long, 6-10 mm wide; obovate, glabrous on both sides; stamens numerous, 2.5-4 mm long, anthers oblong, 1-1.5 mm long, filaments linear; carpels many, glabrous; receptacle glabrous.
• Fruiting head ellipsoid; achenes 1.8-3 mm long, elliptic-orbicular to obovate-orbicular, glabrous, convex in lateral view; styles persistent, becoming a beaklike after anthesis, recurved.

物候

Flowering May to August; fruiting June to October.

分布

• 台灣 : open places and sunny slopes above 2,600 m in the central mountains.

引證標本

ILAN: Nanhutashan, Ohwi 4027 (Holotype, KYO!; isotype, TI!), Hsu 6036. TAICHUNG: Chikashanchuang, Huang & Hsieh 7178; Hsinta campus to Shancha Shelter, Wang, Huang & Yang 4559. NANTOU: Nengkaoshan, Matuda s. n. 1919 (Lectotype of Ranunculus matsudai Hayata ex Masamune, TI!); Wushe, Chuang 4262. KAOHSIUNG: Tienchi to Yiakou, Huang, Hsieh & Lin 8943. TAITUNG: Kuanshanlinshan, Kuoh 11956. HUALIEN: Nanhutashan, Yang et al. 5053.

參考文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 553. 1996.  (Fl. Taiwan 2nd edit.)