- Plants
- ›Vascular Plants
- ›flowering plants
- ›Dicots
- ›Gentians, Dogbanes, Madders, and Allies
- ›madder family
- ›Rubioideae
- ›Spermacoceae
Diodia
Diodia (or buttonweed) is a genus of flowering plants in the Rubiaceae family. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and tropical Africa.
8 branches of this genus, most-observed first
buttonweed
speciesDiodia virginiana
Harper's Buttonweed
speciesDiodia harperi
Diodia saponariifolia
speciesDiodia saponariifolia
Diodia kuntzei
speciesDiodia kuntzei
Diodia rubricosa
speciesDiodia rubricosa
Diodia aulacosperma
speciesDiodia aulacosperma
Diodia barbigera
speciesDiodia barbigera
Diodia macrophylla
speciesDiodia macrophylla
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Diodia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 72096.