Biology:Aristida oligantha
From HandWiki
Short description: Species of grass
| Aristida oligantha | |
|---|---|
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| 1950 illustration[1] | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Genus: | Aristida |
| Species: | A. oligantha
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| Binomial name | |
| Aristida oligantha | |
Aristida oligantha is a species of grass known by the common names prairie threeawn and oldfield threeawn.
It is native to the United States and southern Canada , and it is known from northern Mexico. It is a grass of many types of habitat, and it grows easily in dry areas with sandy or gravelly soils. It appears in disturbed and burned areas and is sometimes a weed of roadsides and railroads.
This is an annual forming clumps of branching gray-green and purple-tinted stems about 30 to 70 centimeters tall. The inflorescence is an open array of spikelets. The grain has three spreading awns, the central one reaching up to 7 centimeters long and the other two slightly shorter.
References
- ↑ Illustration of Aristida oligantha from Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC. 1950
External links
- Jepson Manual Treatment
- USDA Plants Profile
- Grass Manual Treatment
- Illinois Wildflowers
- Photo gallery
Wikidata ☰ Q4790970 entry
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