生活型

herb

形態特徵

• Perennial herbs; stems terete, pendent or ascending, nearly glabrous.
• Leaves membranaceous to chartaceous, slightly hirsute above, sparsely minute-hirtellous beneath, asymmetrically narrow elliptic to elliptic, to 15 cm long, less than 5 cm wide, basiscopic half acute to rounded, margins very sparsely ciliolate, sharply serrate, apex with an entire acumine; petioles to 5 mm long; stipules lanceolate-cymbiform, ca. 5 mm long, 1-nerved, glabrous above, minutely hirtellous beneath.
• Female inflorescences subquadrangular, sessile or subsessile; bracts slightly puberulent, connate into an involucre to 10 mm long, 2.5 mm wide. Female flowers short pedicellate; bracteoles semitransparent, subquadrangular; sepals 3, subequal, triangular; staminodes 3; ovary ellipsoid.
• Achenes conspicuously 8-ribbed, ellipsoid.

分布

• 台灣 : at low to medium altitudes, mostly in ravines or on moist forest floors near ravines.
• 世界 : Mainland China, Himalaya, Indo-china and Indonesia.

引證標本

TAIPEI: Bunzangun, Suzuki 18446. TAOYUAN: Kuanhsi-Fusing, Huang 4815; Rarashan, Shih 3108. NANTOU: Hsinyi Hsiang, Shih 2967; Tungpu, Shih 2972. CHIAYI: Chiaoliping-Juili, Yang 3571; Tapu Shiang, Shih 2728. KAOHSIUNG: Chaishen Shiang, Shih 3327. TAITUNG: Chipen Logging Trail, Shih 3272.

參考文獻

• YANG, YUEN-PO, SHIH, BING-LING and LIU, HO-YIH, Flora of Taiwan, second edition 2: 209. 1996.  (Fl. Taiwan 2nd edit.)