Plants often more than 20 cm tall. Calyx 2-lobed. Corolla yellow, 1.5--3 cm; galea sometimes lacking marginal teeth.

• 植株通常20厘米高的超过。花萼2裂。花冠黄，1.；5-3厘米；盔瓣有时缺乏边缘的牙齿。