The seed coats of M.falcata L. and L. davurica Schindler had a layer of palisade cells, there was a fissure on the hilum surface and the hilum consisted of two layers of palisade cells.

• 黄花苜蓿、兴安胡枝子的种子种皮具有一层栅栏细胞,种脐处有一凹陷的缝隙并具有两层栅栏细胞。