Plants › madder family
buttonweed
Diodia virginiana
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
rough buttonweedHexasepalum teres
Old World Diamond FlowerOldenlandia corymbosa
Harper's ButtonweedDiodia harperi
Woodland false buttonweedSpermacoce remota
largeflower Mexican cloverRichardia grandiflora
diamond-flowersStenaria nigricans
AlligatorweedAlternanthera philoxeroides
partridgeberryMitchella repens
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 15,010 |
|---|---|
| Texas | 4,875 |
| North Carolina | 1,954 |
| Virginia | 1,340 |
| Georgia | 1,215 |
| Louisiana | 1,017 |
| Alabama | 914 |
| Tennessee | 899 |
| Maryland | 885 |
| Arkansas | 722 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Subshrub growth formListed by a harvested source as having a subshrub growth form.USDA PLANTS Characteristics
- Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.USDA PLANTS Characteristics
- Wetland-associatedListed by a harvested source as obligate or frequent in wetland habitat.USDA PLANTS Characteristics
- Annual plantListed by a harvested source as having an annual life duration.USDA PLANTS Characteristics
- Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | Gentians, Dogbanes, Madders, and Allies · Gentianales |
| Family | madder family · Rubiaceae |
| Genus | Diodia |
Study it in a deck
- Plants of Charleston County, South Carolina, United States
- Plants of Richmond city, Virginia, United States
Or build your own from the species near you.
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
- How much to rely on each source
Remember the name next time.
Practise buttonweed with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.