lower petal broadly oblong-spatulate, 5-7 mm, 2.5-3 mm wide in upper part, apex obtuse or cuspidate, at throat densely black striate, shortly spurred;

 
  • 宽长圆形匙形的下部花瓣,5-7毫米,2.;5-3毫米宽在上半部分,先端钝的或骤尖的,在密被黑色具条纹喉,具短距;
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