一把伞南星 Arisaema erubescens

  • Scientific Name: Arisaema erubescens (Wall.) Schott
  • Ref: H.W.Schott & S.L.Endlicher, Melet. Bot.:17. 1832
  • Synonym: Arum erubescens Wall.
  • Chinese Common Name: 一把伞南星 yìbásǎn nánxīng
  • Family: Araceae
  • Genus: Arisaema
  • Distribution: Pinus forests, mixed forests, thickets, grassy slopes, lakesides, between rocks; below 3200 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, NE India, Laos, Myanmar, Nepal, N Thailand, Vietnam].
  • Photo: 07/14/2009, Mt. Taibai, Qinling
Tuber depressed globose, 2-7 cm in diam. Cataphylls 3, dark green, with whitish striae or spots, to 55 cm, acute at apex. Petiole and peduncle green, smooth, unmarked. Leaf solitary, occasionally 2; petiole to 100 × ca. 2 cm, proximal ca. 50 cm sheathing into pseudostem; leaf blade radiate; leaflets 18-23, sessile, green abaxially, dull green adaxially, narrowly elliptic or narrowly linear, 16-28 cm × 2-20 mm, base cuneate, apex long acuminate and caudate, with filiform tail 7-10 cm; veins raised abaxially, impressed adaxially; lateral veins numerous, obliquely ascending. Peduncle shorter than petioles, to 75 cm, free part ca. 9 cm. Spathe green, with indistinct whitish stripes or not; tube cylindric, 6-7 × ca. 1.5 cm, auriculate and recurved at throat; limb deep green sometimes with purple margin outside, pale green inside, triangular-ovate, 8-12 × 4-8 cm, apex acuminate with long purple filiform tail, arching; tail to 35 cm, pendulous. Spadix unisexual; female zone conic, ca. 3.5 × 1.5 cm; ovary green, obovoid; stigma sessile, spherical, pilose; male zone cylindric, 4-4.5 cm × 4-5 mm; synandria dark violet; anthers subsessile, 2 or 3, dehiscent by apical pores. Appendix pale green, cylindric or narrowly conic, ca. 7 cm × 2-4 mm, with some acute neuter flowers at base. Infructescence nodding. Berries red. Fl. Jun-Jul. (Flora of China)

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