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紫云英是什么顏色的 紫云英是什么顏色的花

  • 生活
  • 2023-04-19 18:39
紫云英花冠為紫紅色或橙黃色,枝干是綠色,種子是栗褐色。紫云英是豆科,黃耆屬二年生草本植物,具有清淡香味,是中國主要的蜜源植物之一,其嫩梢可以作為蔬菜食用,也可以作為牲畜飼料。紫云英適宜生長在疏松、肥沃的微酸性或中性土壤中,土壤pH值為5.5~7.5為宜。

  紫云英的介紹

  紫云英為總狀花序,有花呈傘形;總花梗腋生,苞片三角狀卵形,花梗短;花萼鐘狀,萼齒披針形,旗瓣倒卵形,瓣片長圓形,莢果線狀長圓形,種子腎形,2~6月開花,3~7月結果。

  紫云英分布于中國長江流域各省區。中國各地多栽培,常生于海拔400~3000米間的山坡、溪邊及潮濕處。

  紫云英一般在9月下旬至10月初播種,播種過早,稻肥共生期過長,幼苗瘦弱,播種過遲,則易受凍害,越冬苗不足。

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