粗硬毛胡枝子查看源代码讨论查看历史
| 粗硬毛胡枝子 |
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中文名:粗硬毛胡枝子 拉丁学名:Lespedeza hispida (Franchet) T. Nemoto & H. Ohashi 界:植物界 门:被子植物门 纲:双子叶植物纲 亚 纲:原始花被亚纲 目:蔷薇目 亚 目:蔷薇亚目 科:豆科 亚 科:蝶形花亚科 族:山蚂蝗族·胡枝子亚族 属:胡枝子属 种:粗硬枝子组 |
粗硬毛胡枝子(cū yìng máo hú zhī zǐ)，学名 Lespedeza hispida (Franchet) T. Nemoto & H. Ohashi，异名：Lespedeza sericea f. hispida Lespedeza juncea var. hispida ，是胡枝子属灌木，Subshrubs or perennial herbs, to 80 cm tall. Stem erect or ascending, densely spreading or ascending pubescent. Leaves 3-foliolate; petiole 0.5-2.5 mm, densely spreading or ascending pubescent (or sericeous); leaflets narrowly obtriangular or nar-rowly obovate, terminal one 0.7-2.2 cm × 2.2-6.5 mm, abax-ially densely appressed or ascending pubescent, adaxially gla-brous, base narrowly cuneate, apex truncate, emarginate, or ob-tuse, mucronate. 产于海拔1500-2500米路边草甸，分布于西藏、云南。 [1]
形态特征
Subshrubs or perennial herbs, to 80 cm tall. Stem erect or ascending, densely spreading or ascending pubescent. Leaves 3-foliolate; petiole 0.5-2.5 mm, densely spreading or ascending pubescent (or sericeous);
leaflets narrowly obtriangular or nar-rowly obovate, terminal one 0.7-2.2 cm × 2.2-6.5 mm, abax-ially densely appressed or ascending pubescent, adaxially gla-brous, base narrowly cuneate, apex truncate, emarginate, or ob-tuse, mucronate.
Racemes axillary, peduncle short, ca. 1 mm, 2-4-flowered. Pedicel 0.7-0.8 mm, pubescent; bracteoles (1.5-)1.7-2.5 mm, longer than calyx tube. Calyx 3.5-5 mm, 5-lobed, densely appressed or ascending pubescent.
Corolla white, 1.3-1.5 × as long as calyx; standard elliptic, 5-5.7 × ca. 2.6 mm, inflexed-auriculate at base; wings narrowly or linearly elliptic, ca. 4.7 × 0.8 mm, obviously shorter than other petals; keel obliquely obovate, ca. 6 × 1.8 mm, claw ca. 1.5 mm.
Cleis-togamous flowers in leaf axils. Legumes ovoid, 3.6-4 × 2.3-2.5 mm, shorter than or almost equal to calyx, densely pubescent, base truncate, apex acuminate.
Cleistogamous legumes 2.7-3 × ca. 2 mm, slightly longer than calyx. Fl. Jul-Sep, fr. Oct-Nov.
产地生境
Grassy slopes, sunny roadsides; 1500-2500 m. Xizang, Yunnan [India, Nepal, Pakistan].