閩半夏

閩半夏

原圖鏈接 來自植物智

中文學名:閩半夏 拉丁學名:Pinellia fujianensis H. Li & G. H. Zhu 界:植物界 門:被子植物門 綱:單子葉植物綱 目:天南星目 科:天南星科 族:天南星族 屬:半夏屬 分布區域:福建

閩半夏(sān liè yè bàn xià，學名 Pinellia fujianensis H. Li & G. H. Zhu )一般指半夏屬 Pinellia Tenore，是天南星科植物，產於福建省。

目錄

半生態特徵

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.

原圖鏈接 來自植物智

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;

原圖鏈接 來自植物智

原圖鏈接 來自植物智

原圖鏈接 來自植物智

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.

生境產地

● 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.

半夏屬下級分類

本屬植物我國有5種，分別為：

滴水珠 Pinellia cordata 　　

石蜘蛛 Pinellia integrifolia 　

虎掌Pinellia pedatisecta 　　

盾葉半夏 Pinellia peltata 　　

半夏Pinellia ternata

半夏屬地理分布

本屬植物全世界共有6種，主要分布於東亞，我國有5種，南北均產 。

半夏屬應用價值

半夏為著名的中藥材，其塊莖能人藥，具有燥濕化痰、降逆止嘔，用有消癤腫等功能。也可將其盆栽觀賞，此外虎掌的塊莖亦供藥用 。