生活型

herb

形態特徵

• Plants mostly dioecious. Tuber depressed globose, 1-6 cm in diam. Pseudostem 25-60 cm long, much longer than petiole.
• Leaf solitary; petiole 5-15 cm long; lamina pedate; leaflets 11-19, narrowly elliptic to oblanceolate, base cuneate, apex acuminate, short petiolate to sessile; terminal leaflet 4-15 cm long, 1-3.5 cm wide, much shorter than adjacent leaflets.
• Peduncle 15-22 cm long, longer than petiole. Spathe green on both surfaces; tube cylindrical, not or slightly auriculate at mouth, 4-10 cm long 1-2 cm in diam.; limb ovate or ovato-lanceolate, 5-11 cm long, 3-5 cm wide, apex acuminate.
• Spadix 2.5-3.5 cm long in male, 4-5 cm long in female; appendage filiform, 15-25 cm long, erect, bent outward at tube mouth, then turned upward and long exerted, basal part with or without few echinate sterile flowers.

分布

• 台灣 : in north, at low elevations.
• 世界 : Widely distributed in China, Korea, and Japan.

引證標本

KEELUNG: Dandan, Masamune s. n. 1944. TAIPEI: Chingtienkang to Tsuetsueku, Wang 5332; Hsiaokoutou, Huang & Jeng 10823; Chaohui Temple, near Yenliao, Peng et al. 14965; Peichatienshan, Lu 412; Tatungshan, Deng 928. MIAOLI: Hsiaoping, Hsu 9322. ILAN: Shenmihu, Chen et al. 675. HUALIEN: Tenhsian, Huang 9319; Yuehwangting to Yenhai logging tract, Wang et al. 7670.

引用文獻

• HUANG, Tseng-Chieng, Flora of Taiwan, second edition 5: 675. 2000.  (Fl. Taiwan 2nd edit., 台灣植物誌第二版)