2.Flowers pale violet or purple-violet, 3-5 cm.Lateral sepals 2, ovate-falcate, ca. 7 mm, 5-veined, inequilateral, apex acuminate.
花浅的紫色的或紫色紫罗兰色,3-5厘米侧生萼片2,卵形镰刀形,约7毫米,5脉,不侧,先端渐尖。
3., inequilateral, lateral veins 5, connected at apex, apex mucronate.Lower sepal funnelform, slightly turgid, ca. 2.5 cm, gradually narrowed into an incurved spur ca. 1.5 cm;