生活型

herb

形態特徵

• Perennial rhizomatous glabrous or sparsely pubescent creeping herbs, 21-65 mm tall. Roots fibrous.
• Leaves monomorphic, simple, 9.6-18 mm long, 10-15 mm wide; orbicular, broadly ovate or elliptic, 5- or more lobed; apex acute; base rounded, obtuse, truncate or cordate; margin entire or sometimes coarsely serrate; glabrous or nearly so on adaxial surface, sparsely pubescent or subglabrous on abaxial surface; petioles 14-65 mm long, pubescent.
• Flowers solitary, axillary, 8-10 mm in diam., yellow; pedicels 1.2-6.6 cm long, pubescent; sepals 5, 2-3 mm long; spreading, broadly elliptic to elliptic, sparsely pubescent outside, glabrous inside; petals 3-5, 4 mm long, 2 mm wide; narrowly obovate or narrowly elliptic, glabrous on both sides; stamens numerous, 2 mm long, anthers oblong, 1 mm long, filaments linear; carpels many, sparsely pubescent or subglabrous; receptacles hairy.
• Fruiting head globose; achenes 1-1.5 mm long, elliptic-orbicular to obovate-orbicular, subglabrous, convex in lateral view; styles persistent, short, recurved.

物候

Flowering (November-) January to May; fruiting April to June (-July).

分布

• 台灣 : wet places between 1,000 and 2,600 m in the central mountain.

引證標本

ILAN: Taipingshan, Sasaki s. n. 1932. TAICHUNG: Hsinta camp to Mt. Pintienshan, Wang et al. 4032. NANTOU: Nengkaoshan, Suzuki s. n. 1926; Wushe, Chuang 4262. CHIAYI: Alishan, Kawakami & Mori 3646 (Holotype of Ranunculus kawakamii Hayata, TI!), Chuang & Kao 4222. HUALIEN: Hohuanshan, Chiu 1912. TAITUNG: Chipen-yue, Ohwi 1458.

引用文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 550. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)