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{| class="wikitable" align="right" |- | style="background: #008080" align= center| '''<big>疏花岩黄耆</big> ''' |- | <center><img src=https://www.cvh.ac.cn/cvhpic/spm-l/P/P02765702.jpg width="250"></center> <small>[https://www.cvh.ac.cn/spms/detail.php?id=095db23f 来自 植物智 的图片]</small> |- | style="background: #008080" align= center| |- | align= light| 中文名:疏花岩黄耆 拉丁学名:Hedysarum laxiflorum Benth. ex Baker f. 界:植物界 门:被子植物门 纲:双子叶植物纲 目:豆目 科:[[豆科]] 属:[[岩黄耆属]] 种:疏花岩黄耆 |} '''疏花岩黄耆'''(shū huā yán huáng qí),学名:Hedysarum laxiflorum Benth. ex Baker,异名:Hedysarum alpinum subsp. laxiflorum ,为[[豆科]][[岩黄耆属]]下的一个种。中国[[西藏]]有分布记载。也分布于[[阿富汗]]北部、[[巴基斯坦]]和[[克什米尔]]地区。 <ref>[http://www.iplant.cn/info/%B2%D8%CE%F7%D1%D2%BB%C6%EA%C8 藏西岩黄耆], 植物智, 2020-01-18</ref> ==形态特征== 多年生草本,茎高45-60厘米,纤细,坚硬,具条纹,无毛。叶长15-23厘米;小叶13-19,无柄;小叶片长20-30毫米,先端钝,上面无毛,鲜绿色; 下面灰绿色,被灰白色柔毛,具明显突出的脉。总状花序具稍密的花;长8-10厘米;苞片刚毛状,很小;花梗和萼等长;花萼约4毫米长,萼齿刚毛状,与萼筒约等长; 花冠紫红色,长16-20毫米,旗瓣与龙骨瓣约等长,翼瓣较短。荚果节荚长圆形,无毛,边缘为不规则的齿状。 本亚种曾记录西藏西部的喜马拉稚山地、但目前尚未见到该地区标本。 其主要区别特征为疏散排列的总状花序和小叶21-31。 FOC >> Vol.10 (2010) >> Fabaceae >> Hedysarum 14.Hedysarum laxiflorum Bentham ex Baker in J. D. Hooker Fl. Brit. India. 2: 146. 1876. 疏花岩黄耆 shu hua yan huang qi Hedysarum alpinum Linnaeus subsp. laxiflorum (Bentham ex Baker) H. Ohashi & Tateishi. Herbs, perennial, 30-120 cm tall. Stems numerous, erect. Stipules lanceolate, ca. 7 mm, connate. Leaves 10-15 cm, 17-33-foliolate; leaflet blades elliptic to oblong-elliptic, 1.5-2.5 × 0.6-1 cm, abaxially pubescent along veins, adaxially glabrous. Racemes lax, with many flowers; bracts ovate, ca. 1/2 as long as pedicel, caducous; peduncle longer than leaves. Pedicel 4-6 mm. Calyx campanulate, 4-6 mm, glabrous or calyx teeth pu-bescent; teeth lanceolate, unequal, most abaxial tooth longer than others, adaxial and lateral teeth ca. 1/5 as long as tube. Corolla purple; standard obovate, 1.4-1.5 cm; wings as long as to slightly longer than standard; keel 2-3 mm longer than standard. Ovary glabrous. Legume divided into 3 or 4 articles; articles broadly ellipsoid, 5-6 × 4-5 mm, compressed, gla-brous. Fl. Jul-Aug, fr. Aug-Sep. W Xizang? [Kashmir, NW Pakistan]. No specimens of this species from China have been seen by the authors. It is likely that the lectotype of Hedysarum laxiflorum (Fal-coner 440), cited as being from near "West Tibet" by Baker (Fl. Brit. India 2: 146. 1846) and by H. Ohashi and Tateishi (Fl. E. Himalaya, 3rd. Rep. 368. 1975), was actually from the Karakoram mountains in NW Pakistan.No specimens of this species from China have been seen by the authors. It is likely that the lectotype of Hedysarum laxiflorum (Fal-coner 440), cited as being from near "West Tibet" by Baker (Fl. Brit. India 2: 146. 1846) and by H. Ohashi and Tateishi (Fl. E. Himalaya, 3rd. Rep. 368. 1975), was actually from the Karakoram mountains in NW Pakistan. ==分类文献== 《中国植物志》 第42(2)卷 (1998) >> 193页 PDF >> 疏花岩黄耆 Hedysarum alpinum subsp. laxiflorum SYN 注:学名已修订,接受名为Hedysarum laxiflorum。 15b. 疏花岩黄耆(亚种)(西藏植物志) subsp. laxiflorum (Benth. ex Baker) Ohashi et Tateishi in Univ. Mus. Univ. Tokyo Bull. 8: 367. 1975.——H. laxiforum Benth. ex Baker in Hook. f. Fl. Brit. Ind. 2: 146. 1879; 西藏植物志2: 883. 1985. ==标本鉴定信息== 学名 Hedysarum laxiflorum Benth. ex Baker f. 中文名 鉴定人 鉴定时间 模式类型 syntype ===采集信息=== 采集人 Falconer, H. 采集号 440 采集时间 1864 采集地 中国 海拔 生境 习性 物候期 == 参考来源 == {{reflist}} [[Category:370 植物學總論]]
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