Plants › grasses
Purple Threeawn
Aristida purpurea
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
Texas winter grassNassella leucotricha
Oldfield Three-awnAristida oligantha
Arrowfeather ThreeawnAristida purpurascens
Seep MuhlyMuhlenbergia reverchonii
King Ranch bluestemBothriochloa ischaemum
little bluestemSchizachyrium scoparium
SquirreltailElymus elymoides
sixweeks three-awnAristida adscensionis
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 11,840 |
|---|---|
| Texas | 4,140 |
| California | 1,559 |
| Arizona | 800 |
| New Mexico | 593 |
| Colorado | 547 |
| Oklahoma | 372 |
| Kansas | 249 |
| Utah | 230 |
| Nebraska | 224 |
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
- Perennial plantListed by a harvested source as having a perennial 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 |
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 Purple Threeawn with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.