生活型

herb

形態特徵

• Perennial rhizomatous pubescent herbs, upright, 8-30 cm tall. Roots fibrous.
• Leaves dimorphic, glabrous or nearly so on both surfaces except margin slightly pubescent. Radical leaves simple, 3-lobed or 3-parted, 12-24 mm long, 12-30 mm wide; ovate or deltoid; apex acute; base rotund, obtuse or cordate; margin entire or coarsely serrate; petioles 2-5 cm long. Cauline leaves 3-parted, segments narrowly oblong or lanceolate; apex acute; base obtuse; margin entire; petioles short to nearly absent, sparsely pubescent.
• Inflorescence a terminal cyme or flowers solitary, axillary; pedicels 2-5.4 cm long, pubescent. Flowers 8-12 mm long in diam., yellow; sepals 5, 4-5 mm long, 2-3.5 mm wide, spreading, elliptic, pubescent outside, glabrous inside; petals 5, 4.5-7 mm long, 2-3 mm wide; oblong or elliptic, glabrous on both sides; stamens numerous, ca. 3 mm long, anthers oblong, ca. 1 mm long, filaments linear; carpels many, glabrous; receptacles glabrous.
• Fruiting head ellipsoid; achenes 1.5-2.5 mm long, elliptsoid-orbicular to obovoid-orbicular, glabrous, laterally convex; styles persistent, becoming beaklike after anthesis, recurved.

物候

Flowering May to July; fruiting June to September.

分布

• 台灣 : wet places and coniferous woods above 2,700 m of the central mountain.

引證標本

HSINCHU: Shancha Shelter to Mt. Tapachienshan, Wang, Huang & Yang 4569. TAICHUNG: Nanhutashan, Ohwi 4019 (Paratype, KYO!); 369-shanchuang to Tsueichi, Wang, Huang & Tang 4421. NANTOU: Mt. Chilaichunanfeng, Ohwi 3307 (Holotype, KYO!, isotype, TAI!). CHIAYI: Yushan, Ohwi 3655 (Paratype, KYO!), Yamazaki 1074. HUALIEN: Hohuanshan to Tayuling, Lin s. n. 1983.

參考文獻

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