Leaves linear to orbicular or obovate, apex rounded to long acuminate, very rarely truncate to retuse; corolla lobes valvate; stigma head discoid, 5-angled, shorter than anther appendages.

 
  • 叶线形到圆形或倒卵形,先端圆形的到长渐尖,极少截形到微凹;花冠裂片镊合状;盘状的柱头头状花序,具5个角,短于花药附属物。(13
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