How To Use Sympetalous In A Sentence

These are the plants characterized by sympetalous corollas, epipetalous stamens, and having the number of stamens equal or less than the number of corolla lobes.
The sympetalous families are believed to be members of a younger group (appearing in Early Tertiary) than the dialypetalous ones.
A sympetalous corolla typically consists of three parts - the lobes, the throat, and the tube.
While the perianth can lack the corolla, much of the terminology associated with the perianth deals with shapes of sympetalous corollas.
Please take some time to observe the flower shapes among the various sympetalous flowers.

_Ledum_, and _Monotropa_ among the sympetalous heaths, are a remarkable instance of this. Species and Varieties, Their Origin by Mutation
The fusion of the corolla lobes to a sympetalous corolla is late (late sympetaly) taking place by meristem incorporation and fusion across the backs of the anther primordia.