Arisaema thunbergii ssp. autumnale

東台天南星

endemic

Arisaema thunbergii Blume ssp. autumnale J. C. Wang, J. Murata & H. Ohashi

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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名彙資訊

學名發表文獻

J. C. Wang, J. Murata & H. Ohashi, Botanical bulletin of Academia Sinica 37: 75. fig. 12. 1996. (Bot. Bull. Acad. Sin., 中央硏究院植物學彙刊)

台灣首次記錄發表文獻

同發表文獻

異名

Arisaema thunbergii Blume ssp. urashima auct. non (Hara) H. Ohashi & J. Murata

J. C. Wang, Taiwania 37: 54. fig. 1. 1992.

各語言俗名

中

蒲島天南星.

特徵描述

生活型

herb

形態特徵

Tuber depressed globose, 3-6 cm in diam. Pseudostem 5-15 cm long, much shorter than petiole. Cataphylls membranaceous, purplish to brownish, apex mucronate.
Leaf solitary; petiole terete, 20-55 cm long; lamina pedate; leaflets 11-15, oblanceolate to elliptic, base cuneate, apex acuminate, terminal leaflet 10-28 cm long, 2-7.5 cm wide.
Peduncle 10-20 cm long, usually shorter than petiole. Spathe white to pale yellow, with dark to bronze purple or reddish purple stripes; tube cylindrical, auriculate at mouth, 5-7 cm long, 2-2.5 cm wide, white to pale yellow with longitudinal purple stripes outside and dark purple stripes inside; blade triangular ovate, 7-10 cm long, 4-5 cm wide, apex acute to acuminate.
Spadix 3-4 cm long in male plants, appendage filiform, 40-60 cm long, long exserted, upper portion bent downward, pendulous, lower portion gradually thickened to form a smooth long cylindrical enlargement, then gradually narrowed toward floriferous part.

分布

台灣 : widespread but scarce at low elevations in the north and east.

引證標本

TAIPEI: Yun-sen Waterfall, Wang et al. 9035; Sanhsia, Hsiung-kung to Man-yue-yuan, Wang et al., 9460 (type, HAST, TNU); Province Road No. 7, Chihtuan to 67.5K, Wang 11504. ILAN: Fushan Botanical Garden, Yang s. n. 1992; en route from Shenmihu control station to Shenmihu, Liu et al. 147. HUALIEN: Lanshan, Peng 9922; Walami, Lu & Horng 1361; Yenhai logging tract, Wang 6747A.