Definition of sympetalous in English:
sympetalous
adjectivesɪmˈpɛt(ə)ləssimˈped(ə)ləs
Botany (of a flower or corolla) having the petals united along their margins to form a tubular shape.
Example sentencesExamples
- While the perianth can lack the corolla, much of the terminology associated with the perianth deals with shapes of sympetalous corollas.
- 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.
- 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.
- Please take some time to observe the flower shapes among the various sympetalous flowers.
Derivatives
noun
Botany 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.
Example sentencesExamples
- Within a single genotype, gerbera flowers may vary in a number of parameters, including sex expression, symmetry, sympetaly, and pigmentation.
- There are thus two directions of adaptation: from polypetaly [many petals] to oligopetaly [fewer petals] and from separate petals to sympetaly [fused petals]
- This kind of sympetaly is otherwise unknown in the Clusiaceae.
- This may be a primitive character-state expression for the family (choripetaly in Azima is presumably less specialized than incipient sympetaly in Salvadora).