| PETALOUS | • petalous adj. Having petals. • PETALOUS adj. having petals. | 
| APETALOUS | • apetalous adj. (Botany) Having no petals. • APETALOUS adj. having no petals, or flower leaves. | 
| BIPETALOUS | • bipetalous adj. (Botany) Having two petals. • BIPETALOUS adj. having two petals. | 
| DIPETALOUS | • dipetalous adj. (Botany) Having two petals. • DIPETALOUS adj. having two petals. | 
| EPIPETALOUS | • epipetalous adj. (Botany) Borne on the petals or corolla. • EPIPETALOUS adj. inserted or growing on a petal or petals. | 
| SYMPETALOUS | • sympetalous adj. (Botany) gamopetalous. • SYMPETALOUS adj. having the petals united. | 
| TRIPETALOUS | • tripetalous adj. (Botany) Having three petals. • TRIPETALOUS adj. three-petalled. | 
| ANTIPETALOUS | • antipetalous adj. (Botany) Alternative form of antepetalous. • ANTIPETALOUS adj. opposite a petal. | 
| GAMOPETALOUS | • gamopetalous adj. (Botany) Having petals wholly or partially fused in such a way that the corolla takes the form of a… • GAMOPETALOUS adj. petals partially fused. | 
| MONOPETALOUS | • monopetalous adj. (Botany) Having only one petal, or the corolla in one piece, or composed of petals cohering so as to… • MONOPETALOUS adj. having petals united. | 
| OCTOPETALOUS | • octopetalous adj. (Botany) Having eight petals. • OCTOPETALOUS adj. having eight petals. | 
| POLYPETALOUS | • polypetalous adj. (Botany) having a corolla composed of distinct, separable petals. • POLYPETALOUS adj. separate petals. | 
| DIALYPETALOUS | • dialypetalous adj. (Botany) Having separate petals; polypetalous. • DIALYPETALOUS adj. having the petals separate. | 
| STENOPETALOUS | • stenopetalous adj. (Botany) Having narrow petals. • STENOPETALOUS adj. having narrow petals. |