Leaf blade usually undivided, rarely obscurely 3-lobed, linear to oblanceolate; sepals usually bluish violet, vein anastomoses absent; staminodes absent or occasionally present.

• 叶片通常不裂，很少昏暗3浅裂，长到倒披针形；通常的萼片带蓝色的紫色，无网结脉；缺席的或偶有提出的退化雄蕊。(2