维明南星查看源代码讨论查看历史

维明南星

原图链接 来自植物智

中文名:维明南星 拉丁学名:Arisaema yunnanense Buchet 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 各地至四川西半部和 贵州西半部

维明南星(wéi míng nán xīng)，是天南星科植物，我国特有，产云南各地至四川西半部和贵州西半部，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。

维明南星形态特征

Tuber depressed globose, 3-4 cm in diam., with a few tubercles around. Cataphylls, petiole, and peduncle greenish, unmarked.

Cataphylls 2, membranous. Leaves 1 or 2; petiole 32-36 cm × 5-8 mm, basal 3-4 cm sheathing into pseudostem;

leaf blade radiate; leaflets 11-13, sessile, pale green abaxially, green adaxially, narrowly elliptic, unequal, (including filiform tail) 1-1.5 × 1.1-2.2 cm.

Peduncle emerging from pseudostem, much shorter than petioles, only ca. 7 cm. Spathe dark purple, with whitish stripes; tube whitish green inside, funnelform, short, ca. 3.8 × 1.5 cm, gradually opening to throat, throat obliquely truncate, not recurved;

limb incurved, purple-green with indistinct stripes outside, dark purple with greenish stripes inside, triangular-ovate, 6.5-9 (male) × ca. 4 cm, apex abruptly acuminate and long caudate with filiform tail ca. 2 cm (female) to 4.5 cm (male).

Spadix unisexual; female zone ca. 1.5 cm; ovaries dense, green, ovoid-globose; ovules 4, basal, erect; stigma subsessile, punctate; male zone ca. 2.4 cm × 3-4 mm; synandria dense, subsessile;

anthers 2-6, violet, globose, dehiscing by apical pores. Appendix yellowish or greenish, with tiny purple dots, cylindric, distally slightly swollen, 3-3.6 cm × 3-6 mm,;

base truncate with purple stipe ca. 5 mm, apex obtuse. Fl. Jun.

生境产地

● About 4000 m. NW Yunnan (Dêqên: Meili Xueshan).

南星主要价值

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。