The panicle is terminal, often pyramid-shaped, up to 30 cm long; the pedicel is shorter than the calyx; 2 bracteoles, shaped like small stipules; the calyx is shallowly campanulate, about 4 mm long, and the calyx teeth are 5, nearly as large, round Shaped or obtuse triangle, gray-white pubescent, calyx tube nearly glabrous; corolla white or light yellow, flag petals nearly round, length and width about 11 mm, short stalk, purple veining, apex slightly absent, base Shallow heart-shaped, wing petals oval-oblong, 10 mm long, 4 mm wide, apex rounded, base oblique halberd, no wrinkles, keel petals are broad ovate-oblong, equal length to wing petals, width up to 6 Mm; stamens nearly separated, persistent; ovary nearly glabrous.