爬地兰为多年生匍匐性豆科植物,在山坡果园种植,能减轻径流,保持水土,抑制杂草,既是优良绿肥,又是适口牧草。形态爬地兰主根长,深入土层1—1.5米,侧根多且具有根瘤。地上部茎节处长出不定根,于表土吸收养分。茎圆形,匍匐生长,节间3.5—4.0厘米。叶为奇数羽状复叶,由5—7片小叶组成。花为蝶形花,总状花序,色紫红,花期自9月至翌年5月。果为荚果,内有种子数粒。 Creeping ground perennial creeping legumes, planted in the hillside orchards, can reduce runoff, maintain soil and water, inhibit weeds, both good green manure, but also paternity pasture. Form Climbing Lord root length, deep into the soil 1-1.5 meters, lateral root and more with nodules. Above the shoots grow adventitious roots, nutrients in the topsoil. Stems round, creeping growth, internodes 3.5-4.0 cm. Leaves are odd pinnate, composed of 5-7 leaflets. Flowers for the butterfly flowers, racemes, color purple, flowering from September to May the following year. Fruit is a pod, with seeds in it.