生活型

shrub

形態特徵

• Subshrubs; stems erect or ascending, terete, hirsute.
• Leaves chartaceous, pubescent above, appressed-hairy along veins beneath, asymmetrically narrowly elliptic, oblong to lanceolate, to 15.5 cm long, 4.5 cm wide, base of distal half acute, margins sharply serrate, apex acuminate; stipules 2, hirsute beneath, narrowly triangular, stipule of nanophyll 1-veined, stipule of normal leaf 2-veined.
• Male inflorescences subsessile, ellipsoid-discoid; bracts connate into an oblong involucre, hirsute outside, to 5 mm long, 2 mm wide. Female inflorescences sessile or subsessile, hirsute outside, ellipsoid-discoid; bracts hirsute, connate into a narrowly oblong involucre. Male flowers hirsute outside, widely obovoid; sepals 4, valvate, larger ones obovate-cymbiform, smaller ones elliptic-cymbiform; bracteoles cymbiform; pedicels ca. 2.2 mm long. Female flowers pedicellate; bracteoles semi-transparent, linear; sepals 3; ovary glabrous, ellipsoid.
• Achenes conspicuously 8-ribbed, ellipsoid.

物候

Flowering late October to May.

分布

• 台灣 : at low to medium altitudes throughout the island, growing along trails, on moist forest floors and in ravines.
• 世界 : Nepal, Bhutan, India, Indo-china and China.

引證標本

TAIPEI: Muchihshan, Kuo 6491; Shihmen, Shih 3218; Wulaishan, Shih 3398. KEELUNG: Hayata s. n. 1916. TAOYUAN: Tachi, Sasaki s. n. 1934. HSINCHU: Wutzushan, Ito s. n. 1934. TAICHUNG: Lienhuachi, Mori s. n. 1936; Lishan, Kuo s. n. 1979. CHIAYI: Alishan Highway, Shih 2953; Funchifu, Huang & Huang 15951. TAINAN: Kuantzuling, Shimada s. n. 1918. KAOHSIUNG: Meilong, Shih 2635; Shihshan, Shih 3383. PINGTUNG: Wuweishan, Matuda s. n. TAITUNG: Chihpen, Shih 2588; Dutwoshan, Shih 2739; Tajen, Shih 3287.

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)