生活型

herb

形態特徵

• Perennial erect herbs with short rhizomes.
• Leaves radical, 1.5-4.5 cm long, 2-6 cm wide, palmately divided, 5-partite; petioles 3-12 cm long. Terminal segment 1.3-4.0 cm long, 6-19 mm wide, rhombate or narrowly rhombate; apex acute; base acute, 3- or more lobed; margin mucronate-serrate; glabrous on both surfaces; nerves elevated on adaxial side, flat on abaxial side.
• Scapes 1, 4.5-20 cm long, erect; flowers solitary or sometimes in a dichasium; bracts lanceolate; pedicels 1.0-7.5 cm long. Flowers 9-18 mm in diam., bisexual, white. Sepals 5 or 6, 4.5-8 cm long, 2.8-5 cm wide, petaloid, elliptic or obovate-elliptic, apex round or obtuse. Petals 5, 1.6-3 mm long, spatulate, base clawed, nectariferous. Stamens 20.
• Carpels 10-12, stipitate; styles curved. Follicles 3-10 mm long; stipitate 3-5 mm long. Seeds 5-10.

分布

• 台灣 : wet places in forests between 900 and 1,500 m.
• 世界 : Japan.

引證標本

TAIPEI: Lopeishan, Cheng & Hsieh 1204. ILAN: Chilanshan, Kou 7864; Rontabunzan, Mori s. n. 1910 (TI!). TAOYUAN: Lalashan, Yang et al. 6285. HSINCHU: Yuenyanghu, Huang, Yang & Jeng 10751. NANTOU: Wanghsiang, Kuoh B0186. CHIAYI: Erhwanping, Yamamoto & Mori s. n. 1932. HUALIEN: Chinshueishan, Huang, Huang & Yang 12935.

參考文獻

• YANG, T. Y. ALECK and HUANG, TSENG-CHIENG, Flora of Taiwan, second edition 2: 546. 1996.  (Fl. Taiwan 2nd edit.)