Plants › grasses
Oldfield Three-awn
Aristida oligantha
27 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
Purple ThreeawnAristida purpurea
Curly ThreeawnAristida desmanthaStudy checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 3,524 |
|---|---|
| Texas | 519 |
| Missouri | 328 |
| Kansas | 296 |
| California | 207 |
| Iowa | 157 |
| Virginia | 152 |
| Illinois | 146 |
| Arkansas | 133 |
| Maryland | 122 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Grass-like growth formListed by a harvested source as having a graminoid or grass-like growth form.USDA PLANTS Characteristics
- Annual plantListed by a harvested source as having an annual life duration.USDA PLANTS Characteristics
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | monocots · Liliopsida |
| Order | grasses, sedges, cattails, and allies · Poales |
| Family | grasses · Poaceae |
| Genus | threeawns and wiregrasses · Aristida |
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.
- Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
- How much to rely on each source
Remember the name next time.
Practise Oldfield Three-awn with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.