粗硬毛山螞蝗檢視原始碼討論檢視歷史
| 粗硬毛山螞蝗 |
|
|
中文學名:粗硬毛山螞蝗 拉丁學名:Desmodium hispidum Franch. 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:薔薇目 科:豆科 屬:山螞蝗屬 |
粗硬毛山螞蝗(cū yìng máo shān mǎ huáng)，是豆科山螞蝗屬植物。多年生草本植物。Shrubs or subshrubs, erect, 0.5-1 m tall. Stems striate; branches densely yellowish villous; old branches purple, gla-brous. Leaves 3-foliolate; stipules ovate or narrowly triangular-ovate, 10-15 × 3-4 mm; petiole 1-2 cm, densely yellowish vil-lous; petiolules 4-6 mm; leaflets papery; 產於海拔700-2500米，分布於貴州、四川、雲南等地。
形態特徵
Shrubs or subshrubs, erect, 0.5-1 m tall. Stems striate; branches densely yellowish villous; old branches purple, gla-brous. Leaves 3-foliolate;
stipules ovate or narrowly triangular-ovate, 10-15 × 3-4 mm; petiole 1-2 cm, densely yellowish vil-lous; petiolules 4-6 mm; leaflets papery;
terminal leaflet ovate to elliptic, 5-17 × 3-8 cm, abaxially yellowish villous, adax-ially densely hispid, glabrescent, lateral veins 8-11 on each side of midvein, reaching margin, margin entire, midvein and lateral veins prominent on both surfaces.
Inflorescences densely yel-lowish villous, paniculate when terminal, fasciculate with (1 or)2-4 racemes or sometimes panicles at axils, 8-25 cm; pri-mary bracts narrowly triangular-ovate, 4-5 × ca. 1 mm at base; secondary bracts 1.5-2.5 mm.
Pedicel 4-5 mm, deflexed after flowering; bracteoles absent. Flowers 2-8 per node, fasciculate, opening almost at same time. Calyx 3-4 mm, outside densely yellowish villous, 4-lobed;
lobes lanceolate, subequal. Corolla white, pale yellow, or greenish white, 4-5 mm; standard elliptic to broadly elliptic, without auricles, claw ca. 1 mm; wings ellip-tic, claw ca. 1 mm;
keel ca. 4 mm, auriculate, claw ca. 1 mm. Androecium diadelphous. Legume sessile, 1.2-1.8 cm, with dense hooked hairs, plicate when young, straight when mature, 4-7-jointed, both sutures undulate; articles elliptic, 2.5-3 × ca. 1.5 mm. Seeds elliptic. Fl. and fr. Sep-Dec.
產地生境
700-2400 m. Guizhou, Sichuan, Yunnan [India, Myanmar].[1]
標本鑑定信息
學名 Desmodium hispidum Franch. 中文名 毛枝山螞蝗 鑑定人 高信芬 鑑定時間 20000201
採集信息
採集人 雲南省林業學校 採集號 85577 採集時間 採集地 中國 雲南省 海拔 0 生境 習性 物候期 有花無果