生活型

herb

形態特徵

• Rhizomatous oblong-ovoid, 3-5 cm long, 1.5-2.2 cm in diam. Pseudostem 13-25 cm long, usually longer than petiole.
• Leaves two or three; petiole terete, 5-15 cm long; lamina ternate or pedately 5-foliolate; leaflets acute to acuminate at apex, apex often mucronate, base round to cuneate, entire or nearly so; terminal leaflet elliptic to lanceolate, petiolule 1-2.5 cm long; lateral leaflets lanceolate to oblong, base oblique, petiolule 3-10 mm long.
• Peduncle 3-13 cm long. Spathe greenish on both surfaces with a semilunate white spot in throat; tube cylindrical, (3-) 4-6 cm long, 1-1.7 cm in diam.; limb triangular ovate, 1.5-2 cm wide, apex acute.
• Spadix bisexual in mature plants, unisexual (male) in smaller plants, 5-9 cm long including appendage; staminate flowers sparsely arranged on inflorescence axis, short stalked to nearly sessile; pistillate flowers ovoid, ascending; appendage filiform, erect or bent, with a bottle brush-like tip or sometimes glabrous.

分布

• 台灣 : in the center and south, from low to medium elevations.

引證標本

NANTOU: Fenghuangshan, Peng & Chen 10524. YUNLIN: Tsaoling, Shihpi, Wang 13865. CHIAYI: Arisan, inter Funkiko et Taroyen, Hayata & Ito s. n. 1914 (Lectotype of A. grapsospadix); Dardungshan, Wang et al. 7079. KAOHSIUNG: Tengchu, Ohashi et al. 13041. PINGTUNG: Ako, Kuwarusu, Matsuda s. n. 1917 (Lectotype of A. quinquefoliolum, herbarium acronym); Chachayalaishan, Yang 20090; Chiaoguolats, Wang et al. 7426; Lilungshan, Yang 8382; Mutan, Chang 4786; Daibusan, Soma A229 (Syntype of A. quinquefoliolum).

參考文獻

• HUANG, Tseng-Chieng, Flora of Taiwan, second edition 5: 674. 2000.  (Fl. Taiwan 2nd edit.)