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中泰南星

原图链接 sukotaiense?t=z 来自植物智

中文名:中泰南星 拉丁学名:Arisaema sukotaiense Gagnepain 界:植物界 门:被子植物 纲:单子叶植物纲 亚 纲:泽泻亚纲 目:泽泻目 科:天南星科 族:天南星族 属:天南星属 分布区域:我国特有，产云南

中泰南星(zhōng tài nán xīng)，是天南星科植物，我国特有，产云南各地，常见于海拔700-3200米的松林、松栎混交林、荒坡、荒地至高山草地。有很高的医用价值。

形态特征

Plants deciduous. Tuber subglobose, cream-colored, 3-4 × 5-7 cm. Cataphyll pink, with brown mottling, 1-20 cm. Leaf solitary;

原图链接 sukotaiense?t=z 来自植物智

petiole red-brown or olive-green with transverse paler mottling, 60-80 cm, proximal 35-45 cm forming pseudostem, ca. 1.5 cm in diam. at base; leaf blade radiate;

原图链接 sukotaiense?t=z 来自植物智

原图链接 sukotaiense?t=z 来自植物智

原图链接 sukotaiense?t=z 来自植物智

leaflets 12-14, sessile to subsessile, glaucous with slightly prominent carmine or green veins abaxially, shiny green adaxially, elliptic, 20-30 × 3-4 cm, base cuneate, margin flat or undulate, green or red, apex acuminate, often prolonged into a carmine thread to 9 cm;

veins slightly impressed adaxially. Peduncle green with paler mottling, becoming red-violet toward inflorescence, shorter than petioles, 35-60 cm × 4-5 mm.

Spathe tube outside pruinose, dark purple or pale olive-green with thin white stripes, inside pale carmine with white stripes, funnelform, 7-8 cm, 1.2-1.5 cm in diam. at base, 3-4.5 cm in diam.

apically; throat margins straight, dark carmine; limb horizontal, outside dark purple, with very faint paler stripes, inside dark purple, pale green at base, with broad white stripes anastomosing in a central white spot at throat level, ovate, 9-10 × 5-6 cm, nearly as long as tube, apex acuminate, prolonged into a purple, filamentous tail to 20 cm. Spadix unisexual;

female zone of same shape and size as male zone; ovaries dense, pale green, bottle-shaped, 1.5-2 mm in diam.; stigma sessile, penicillate, surrounded by black annulus; male zone subcylindric, 2-3 × ca. 0.6 cm;

synandria loosely arranged, consisting of 2-4 anthers; anthers lilac, subsessile or borne on a white-green short stalk; thecae dehiscent by an oblong pore; pollen white.

Appendix sessile, slightly exserted from spathe tube, erect, cylindric, to 7 cm × 5 mm, middle part green sometimes with carmine stripes above neuter flowers, apex white-green, rounded, even or spongy;

neuter flowers upcurved, green, 3-4 mm, numerous in female spadix only. Infructescence cylindric, ca. 5 × 1.5-2.5 cm, borne on a nodding peduncle.

Berries dense, red-orange with black stigmatic remains, ca. 7 × 3 mm, 1- or 2-seeded. Seeds globose, ca. 2 mm; testa cream-colored. Fl. May-Jun, fr. Oct.

生境产地

Mountain forests along roadsides, sometimes growing as an epiphyte on mossy tree trunks; 1200-2500 m. S Yunnan [N Thailand].

主要价值

功能用途 块茎入药，云南普遍作半夏用，称山珠半夏。茎叶是良好的猪饲料。

医药：【僳僳药】泥欠补兰，滇南星：块茎治面神经麻痹，半身不遂，小儿惊风，破伤风，癫痫《怒江药》。【白药】三筛枯启雍：块茎用于风湿痹痛，跌打损伤，关节炎，骨折，疮痈，痰饮，呕吐，胸隔胀满，中风痰厥《大理资志》。

【藏药】达羔：块茎治鼻炎，鼻息肉，鼻肿瘤《藏本草》。【彝药】约木卡立，约五阿乃，得勒弱：块茎或花果主跌打损伤，外伤出血，蛇伤，无名肿毒，风疹，痰咳，痔疮《彝植药续》。块茎治肾虚耳鸣，脾胃不和，胸膈胀满，咳喘呕吐，中风痰厥，血虚风痒《哀牢》。

医药：块茎：云南、贵州作半夏用，称山珠半夏。