萼片

Petals 5, much smaller than sepals, basally tubulose or shallowly scrotiform and shortly clawed.

花瓣5，小得多，浅囊状或和短爪。

Petals 5, orangish red at base and white at apex, obovate, slightly longer than sepals.

花瓣5，基部桔红色，先端魄，倒卵形，稍长。

Flowers pale violet or purple-violet, 3-5 cm.Lateral sepals 2, ovate-falcate, ca. 7 mm, 5-veined, inequilateral, apex acuminate.

花浅的色的或色罗兰色，3-5厘米侧生2，卵形镰刀形，约7毫米，5脉，不等侧，先端渐尖。