Posterior Petal
The drawing on the left is typical of subgenus Monnina and subgenus Pterocarya, while the one on the right, Monnina insignis, is distinguished by its tricleft posterior petal.
The drawing on the left is typical of subgenus Monnina and subgenus Pterocarya, while the one on the right, Monnina insignis, is distinguished by its tricleft posterior petal.