... leaf axis, from the students, stipules ovate, 3-6 mm, apex acute, base connate with each other more ... ; leaflets obovate or elliptic, 10-15 mm, 4-10 mm wide, apex obtuse or emarginate, base broadly ... or orange-yellow, flag flap obovate, 10-11 mm, apex emarginate, base gradually narrow to a stem ... and uplift; seed kidney-shaped, chestnut brown, about 3 mm. Flowering from February to June, fruit from March ...