生活型

herb

形態特徵

• Tuber depressed globose, 1.5-3 cm in diam. Pseudostem 10-30 cm long, deeply subterranean. Cataphylls 3 or 4, fleshy, whitish to greenish, apex mucronate.
• Leaves two; petiole terete, 10-22 cm long; lamina pedate, leaflets 7-15, sessile, oblanceolate to elliptic, base cuneate, apex acuminate, terminal leaflet 10-22 cm long, 2-4.5 cm wide, longer than or equal to adjacent ones. Peduncle 1.5-7 cm long, usually much shorter than petiole.
• Spathe pale to greenish yellow outside, dark purple inside; tube cylindrical, slightly auriculate at mouth, 6-9 cm long, 1.3-2 cm in diam., pale to greenish yellow outside, dark purple inside and gradually pale to reddish brown downward; blade ovate, 6-10 cm long, 3-5 cm wide, apex acute or sometimes acuminate.
• Spadix 1.5-2.4 cm long in male, 1.5-3.4 cm long in female, appendage clavate, 9-15 cm long, slightly exserted, upper portion dark purple to black, bent outward or slightly downward, lower portion reddish, gradually narrowed toward floriferous part or sometimes stipitate at base, with some echinate projections.

分布

• 台灣 : Endemic to northern Taiwan, 1,600 to 1,900 m.

引證標本

ILAN: Ssuyuan to Nanshan, Wang et al. 6705 (Holotype TNU, isotypes HAST, TAI, TNU, TUS), Wang et al. 8145.

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)