Diodia
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About 50: See text. |
Buttonweed (Diodia) is a genus of flowering plants in the family Rubiaceae, native to temperate and tropical regions of North America and Africa.
- Selected species
- Diodia apiculata (Stiff Buttonweed)
- Diodia dasycephala (Carretilla Buttonweed)
- Diodia ocymifolia (Slender Buttonweed)
- Diodia radula (Rough Buttonweed)
- Diodia sarmentosa (Tropical Buttonweed)
- Diodia serrulata (Seaside Buttonweed)
- Diodia teres (Poorjoe Buttonweed)
- Diodia virginiana (Virginia Buttonweed)
There are also many species of "false" buttonweeds in the related genus Spermacoce.
The Velvetleaf Abutilon (Abutilon theophrasti) in the family Malvaceae is also sometimes known by the common name of buttonweed.
