生活型

herb

形態特徵

• Perennial rhizomatous pubescent herbs, upright, 8-20 cm tall. Roots fibrous.
• Leaves dimorphic, subglabrous on adaxial surface, pubescent, sometimes sparsely, abaxial surface. Radical leaves simple, 3-parted or ternate, terminal segment 1.5-1.8 cm long, 4-18 mm wide; ovate, deltoid, narrowly elliptic or narrowly obovate; 3-lobed to 3-parted; apex acute; base acute, rounded or obtuse; margin entire; petioles 2.5-3.8 cm long. Cauline leaves 3-parted, segments narrowly oblong or lanceolate; apex acute; base obtuse or rounded; margin entire; petioles short or nearly absent
• Inflorescence a terminal cyme; pedicels 2-7.5 cm long, pubescent. Flowers 6-12 mm in diam., yellow; sepals 5, spreading, elliptic, pubescent outside, glabrous inside; petals 5, 5-7 mm long, 2.5-4 mm wide; obovate or elliptic, glabrous on both sides; stamens numerous, 2.5 mm long, anthers oblong, 1 mm long, filaments linear; carpels many, pubescent; receptacles pubescent.
• Fruiting head ellipsoid; achenes 1.5-2.5 mm long, elliptisoid-orbicular to obovoid-orbicular, pubescent, laterally convex; styles persistent, becoming beaklike after anthesis, recurved.

物候

Flowering June to August; fruiting July to August.

分布

• 台灣 : 2,600 m on Nanhutashan.

引證標本

ILAN: Nanhutashan, Tamura, Shimizu & Kao 20868. TAICHUNG: Nanhutashan, Ohwi 4179 (Holotype, KYO!; isotype, TAI!). HUALIEN: Nanhutashan, Yang et al. 5051.

參考文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 556. 1996.  (Fl. Taiwan 2nd edit.)