Outer sepals 10-16 mm, not mucronulate, purplish bristly or hirsute abaxially, margin neither ciliate nor fimbriate; corolla 5-7 cm.

• 16毫米的外部萼片，不具小短尖，略带紫色具刚毛或具粗毛，既不具缘毛也不流苏状的边缘；花冠5-7厘米(21