生活型

herb

形態特徵

• Tuber depressed globose, 2-5 cm in diam. Pseudostem 4-30 cm long, white to pale green or sometimes pale brownish green. Cataphylls greenish to purplish.
• Leaves 2; petiole 10-35 cm long, usually longer than or equal to pseudostem; lamina trifoliolate; terminal leaflet ovate-lanceolate to rhomboidelliptic; lateral leaflets obliquely ovate to lanceolate, apex filiform-caudate, usually with a thread-like tail at tip, green above, glaucous beneath.
• Peduncle 3-6 cm long, distinctly shorter than petiole. Spathe yellowish green to green; tube cylindrical, gradually opening to an auriculate mouth, 3-5.5 cm long, 1-2 cm in diam., yellowish green to green on outer surface, purplish red with white to pale yellowish green striations on inner surface; blade concave and revolute, saccate, caudate at apex.
• Spadix 3-8 cm long including appendage; appendage white, 2-6 cm long, including short stalk, stalk 3-10 mm long, attenuate, base truncate, apex obtuse, without modified sterile flowers. Infructescence erect.

分布

• 台灣 : in the north and on Lanyu Is., at low elevations.
• 世界 : Widely distributed in mainland China, South Korea, Japan, and the Ryukyu Islands.

引證標本

KEELUNG: Hopingtao, Lu 604; Insl. Keelung, Masamune et al. 42. TAIPEI: Tatunshan, Lu 15216; Hsiaokoutou to Shihting, Wang 5280; Koko, Ohnuma s.n. 1934 (Holotype of A. taihokense Hosokawa, TAI); Kuanyinshan, Huang 2355; Manyuehyuan, Wang 5675; Yehliu, Wang et al. 7310. TAOYUAN: Lalashan Chen 13; HSINCHU: Neiwan, Sasaki s.n. 1916. MIAOLI: Shihtan, Peng et al. 13937. ILAN: Insl. Kizan, Masamune & Suzuki s.n. 1932; Wushihpi, Wang et al. 675; Taipingshan, Sasaki s.n. 1918. HUALIEN: Antong, Kao 6147; Dangi-Forest, Taroko, Suzuki 9305. TAITUNG: Lanyu Is., Hurngtourshan, Wang et al. 6100.

參考文獻

• HUANG, Tseng-Chieng, Flora of Taiwan, second edition 5: 676. 2000.  (Fl. Taiwan 2nd edit.)