生活型

herb

形態特徵

• Perennial herbs; stems ascending, glabrous.
• Leaves membranaceous, sparsely to slightly hirsute above, sparsely hirsute along veins beneath, asymmetrically obovate, ovate to obovate-lanceolate, 1.5-6.0 cm long, 0.8-2 cm wide, basiscopic half rounded to semi cordate, margins minute ciliolate, obtusely serrate, apex obtusely acute to acutely acuminate; stipules 2, 1-nerved, lanceolate, 1-2 mm long.
• Male inflorescences with bracts connate into a narrowly oblong involucre; peduncles to 4 cm long. Female inflorescences sessile or subsessile; bracts slightly puberulent, connate into a narrowly oblong involucre; peduncles to 1.7 cm long in fruit. Male flowers hirtellous outside, widely obovate; sepals 5, hirtellous beneath, ovate-cymbiform; pedicels to 1.5 mm long. Female flowers short pedicellate; sepals 3 or 4, minute, linear-acicular; staminodes 3 or 4; ovary ovoid.
• Achenes inconspicuously 5- or 6-ribbed at apex, ovoid.

物候

Flowering June to January.

分布

• 台灣 : medium altitudes throughout the island, mostly in ravines or on moist floors of ravines.

引證標本

TAIPEI: Peichatienshan, Shih 3142. ILAN: Chaishiang Bridge, Shih 2876. TAOYUAN: Rarashan, Shih 3103. CHIAYI: Alishan, Hayata s. n. 1912. KAOHSIUNG: Shihshan, Shih 3409. TAITUNG: near Tongho Farm, Shih 3267.

引用文獻

• YANG, YUEN-PO, SHIH, BING-LING and LIU, HO-YIH, Flora of Taiwan, second edition 2: 211. 1996.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)