Corolla yellow with brown-red galea; tube to 3.8 cm; middle lobe of lower lip ligulate. Anterior filament pair densely villous, posterior pair glabrous.

• 花冠黄具棕色红色的盔瓣；筒部到3.；8厘米；下唇的中部裂片舌状。前面的花丝对密被长柔毛，后唇瓣对无毛。