Plants › madder family
rough buttonweed
Hexasepalum teres
28 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
buttonweedDiodia virginiana
Old World Diamond FlowerOldenlandia corymbosa
Field madderSherardia arvensis
largeflower Mexican cloverRichardia grandiflora
Rust WeedPolypremum procumbens
Woodland false buttonweedSpermacoce remota
shrubby false buttonweedSpermacoce verticillata
sea purslaneSesuvium portulacastrum
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 6,290 |
|---|---|
| Texas | 1,236 |
| New Jersey | 484 |
| North Carolina | 404 |
| Missouri | 362 |
| Arkansas | 360 |
| Virginia | 349 |
| Oklahoma | 328 |
| Georgia | 303 |
| Maryland | 296 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | Gentians, Dogbanes, Madders, and Allies · Gentianales |
| Family | madder family · Rubiaceae |
| Genus | Hexasepalum |
Study it in a deck
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.
- How much to rely on each source
Remember the name next time.
Practise rough buttonweed with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.