红豆草(Onobrychis viciaefolia)生长快,产量高,营养丰富,抗逆性强,是一种饲用价值很高的优良牧草,但作为蜜源植物却研究甚少。然而,红豆草以其花期长,泌蜜丰富,已引起有关研究人员和养蜂者的足够重视。植物学特征红豆草直根系,茎为圆形直立,株高80～120厘米,每株有分枝10～20个,分枝部位在根颈处和叶腋处。叶为奇 Onobrychis viciaefolia grows fast, has high yield, rich nutrition and strong resistance. It is a fine forage with high forage value, but little research has been done on it as a nectar source. However, with its long flowering period and rich secretion of honey, safflower has drawn enough attention from researchers and beekeepers. Botany characteristics of straight roots of safflower, stem round and upright, height 80 to 120 cm, each branch has 10 to 20 branches in the root neck and leaf axils Department. Leaves are odd