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闽半夏

原图链接 来自植物智

中文学名:闽半夏 拉丁学名:Pinellia fujianensis H. Li & G. H. Zhu 界:植物界 门:被子植物门 纲:单子叶植物纲 目:天南星目 科:天南星科 族:天南星族 属:半夏属 分布区域:福建

闽半夏(sān liè yè bàn xià，学名 Pinellia fujianensis H. Li & G. H. Zhu )一般指半夏属 Pinellia Tenore，是天南星科植物，产于福建省。

半生态特征

Stem an obovoid rhizome, to 3.5 × 1.4 cm; nodes more than 5, swollen; internodes very short, 2-3 mm; annual part rooting; cataphylls 2 or 3, ca. 1.5 cm, long acuminate.

原图链接 来自植物智

Leaves 2 or 3; petiole 10-45 cm, bearing bulbils at base; leaf blade broadly sagittate; anterior lobe deltoid-ovate, 7-13.5 × 4.5-10 cm, apex long acuminate;

原图链接 来自植物智

原图链接 来自植物智

原图链接 来自植物智

basal lobes divaricate, subtriangular, 4-7 × 2.5-3.5 cm; primary lateral veins 6 or 7(or 8) per side. Inflorescence including peduncle 8-20(-25) cm;

peduncle shorter than petioles, to 14(-15) cm. Spathe reddish to yellowish violet, constricted, ca. 5.5 cm; tube ca. 1.5 × 0.1 cm;

limb erect, navicular, lanceolate, 3.5-4 × ca. 1.4 cm. Spadix ca. 11 cm; female zone ca. 1.3 cm with 9 or 10 pistils, adnate to spathe; female flowers densely arranged;

pistil ca. 1.2 mm; ovary ellipsoid, 0.7-0.8 mm in diam.; style slender, ca. 0.25 × 0.15 mm; stigma disciform, ca. 0.3 mm in diam.;

sterile zone between female and male flowers 5-7 mm; male zone ca. 7 × 3 mm; appendix outcurved, ca. 8 cm, slender. Berries ovoid.

Seed 1, ovoid, ca. 0.4 mm in diam. Fl. Apr, fr. Sep.

生境产地

● Forest margins, on rocks or between rocks, moist places. Fujian.

Pinellia fujianensis is similar to P. cordata but differs in having an acute rhizome to 3.5 cm and leaf blade broadly sagittate.Pinellia fujianensis is similar to P. cordata but differs in having an acute rhizome to 3.5 cm and leaf blade broadly sagittate.

半夏属下级分类

本属植物我国有5种，分别为：

滴水珠 Pinellia cordata 　　

石蜘蛛 Pinellia integrifolia 　

虎掌Pinellia pedatisecta 　　

盾叶半夏 Pinellia peltata 　　

半夏Pinellia ternata

半夏属地理分布

本属植物全世界共有6种，主要分布于东亚，我国有5种，南北均产 。

半夏属应用价值

半夏为著名的中药材，其块茎能人药，具有燥湿化痰、降逆止呕，用有消疖肿等功能。也可将其盆栽观赏，此外虎掌的块茎亦供药用 。