Monopetalous

One-petaled; all the petals united to form one body or organ, as a gamopetalous corolla.CH
| This article contains a definition from the Glossary of Gardening Terms. |

One-petaled; all the petals united to form one body or organ, as a gamopetalous corolla.CH
| This article contains a definition from the Glossary of Gardening Terms. |