粗硬毛胡枝子檢視原始碼討論檢視歷史
| 粗硬毛胡枝子 |
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中文名:粗硬毛胡枝子 拉丁學名:Lespedeza hispida (Franchet) T. Nemoto & H. Ohashi 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:原始花被亞綱 目:薔薇目 亞 目:薔薇亞目 科:豆科 亞 科:蝶形花亞科 族:山螞蝗族·胡枝子亞族 屬:胡枝子屬 種:粗硬枝子組 |
粗硬毛胡枝子(cū yìng máo hú zhī zǐ)，學名 Lespedeza hispida (Franchet) T. Nemoto & H. Ohashi，異名：Lespedeza sericea f. hispida Lespedeza juncea var. hispida ，是胡枝子屬灌木，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. 產於海拔1500-2500米路邊草甸，分布於西藏、雲南。 [1]
形態特徵
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.
產地生境
Grassy slopes, sunny roadsides; 1500-2500 m. Xizang, Yunnan [India, Nepal, Pakistan].