sepal

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

花5，桔红色，先端魄，倒卵形，比片稍长。

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

花5，比片小得，状或和短爪。

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

花的紫色的或紫色紫罗兰色，3-5厘米侧生片2，卵形镰刀形，约7毫米，5脉，不等侧，先端渐尖。