Seen from above, the elaborate twists and folds of the Hermannia filifolia var. grandicalyx petals don’t divulge the feature of the narrow corolla opening below, central to the nodding flower.
A flower dependent upon pollinator visits must provide an adequate access route. The smaller the hole, the smaller the pollinator or the body part it will push inside for simultaneously extracting nectar and pollen, satisfying the needs of both parties.
This symbiotic arrangement, a component of the seed production process, is embodied in countless solutions, variably crafted by nature for preventing wonderment from ever ceasing.