鹞落坪半夏查看源代码讨论查看历史

鹞落坪半夏

原图链接 来自植物智

中文学名:鹞落坪半夏 拉丁学名:Pinellia yaoluopingensis X. H. Guo & X. L. Liu 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:江苏、安徽

鹞落坪半夏(yào luò píng bàn xià，学名 Pinellia yaoluopingensis X. H. Guo & X. L. Liu)，是天南星科植物，产于江苏、安徽。

生态特征

Tuber subglobose, 1.3-3 cm in diam., bearing bulbils at apex. Leaves 1-4; petiole deep green, with purple spots, 12-25 cm;

leaf blade 3-foliolate, sometimes also pedate; leaflets 3-5; central leaflet oblong-elliptic or obovate-elliptic, 5-10 × 3-4.5 cm, base cuneate, apex acuminate or acute;

原图链接 来自植物智

lateral leaflets sessile, smaller, 5.5-7.3 × ca. 4 cm, with 4 or 5 primary lateral veins per side, forming a collective vein along margin.

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

Inflorescences 1 or 2; peduncle usually longer than petioles, 22-36 cm. Spathe green, constricted, 7-8 cm; tube 2-3.5 cm × 6-8 mm; limb oblong, 3-4 × 2-3 cm, apex obtuse.

Spadix 16-20 cm; female zone 2-2.5 cm × 3-5 mm, adnate to spathe; female flowers densely arranged; pistil 1-1.1 mm; ovary broadly ovoid, ca. 0.9 mm; style distinct;

stigma disciform, ca. 0.25 mm in diam.; sterile zone between female and male flowers 5-6 mm; male zone 5-7 × 3-4 mm; thecae elongate, ca. 1.4 mm, each pollen sac opening by a pore;

appendix recurved, sigmoid, green, 13-18 cm. Berries conic, obtuse, 1-seeded. Fl. May, fr. Jul-Sep. 2n = 26*.

生境产地

● Broad-leaved forests; ca. 1000 m. Anhui (Jingde, Yuxi), Jiangsu (Nanjing).

This species differs from Pinellia ternata in having a tuber with tubercles around the petiole bases and by lacking bulbils elsewhere.This species differs from Pinellia ternata in having a tuber with tubercles around the petiole bases and by lacking bulbils elsewhere.

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 。