SIXWEEKS THREEAWN
|
|
| File Size: 190 KB |
|
|
|
Aristida adscensionis L.
|
| Grant County, Kansas (Marion McGlohon photo) |
| Annual |
| Height: 4-22+ inches |
| Family: Poaceae – Grass Family |
| Flowering Period: May, June, July, August, September |
|
| Culms: | | Erect to spreading, much-branched; internodes glabrous. | | Blades: | | Mostly cauline; linear, 2 to 6 inches long, to 1/10 inch wide, flat or involute, glabrous. | | Sheaths: | | Terete, shorter than internode, glabrous. | | Ligules: | | Ciliate membrane, to 1/25 inch. | | Inflorescences: | | Panicles, narrow, erect to nodding, 2 to 7 inches long, to 1.2 inch wide, congested; branches ascending to appressed, .4 to 1.6 inch, 3-8 spikelets per branch; pedicels shorter than the spikelets. | | Spikelets: | | Green to purplish, solitary, terete, 1/3 to 1/2 inch long, crowded, 1-flowered; first glume shorter than second; lemma tipped with three branching, nearly equal awns .2 to .8 inch long. | | Habitat: | | Prairies, stream beds, disturbed and waste areas, roadsides: often in dry, sandy soils. | | Distribution: | | Principally west third of Kansas; occasionally observed eastward. | | Origin: | | Native | | Forage Value: | | Unpalatable to livestock after the first few weeks of growth. | | Comments: | | Very variable in height and inflorescence size. |
|
| Sixweeks threeawn |  | | 310 KB | | Grant County, Kansas (Marion McGlohon photo) |
| | | | | |
|
|
|
|
|
|