Sand bluestem
Andropogon hallii Hack.
Images
Click on image to view full size
Morphology
- Culm
- Erect, stout, simple at base, branched above, solid, grooved on 1 side, smooth or nearly so, more or less waxy.
- Blades
- Flat to rolled, 2 to 20 inches long, 1/5 to 2/5 inch wide, midrib prominent, upper surface ridged, slightly rough; lower surface smooth; margins rough; often soft-hairy, particularly near collar.
- Sheath
- Shorter than internodes, slightly keeled, smooth, waxy.
- Ligule
- Fringed membrane, 1/8 to 1/6 inch long.
- Inflorescence
- Racemes, 2-7, stalked, finger-like, 1.6 to 3.6 inches long, terminating main branches; stalks and joints of rachis copiously bearded with grayish to yellowish hairs 1/6 to 1/4 inch long.
- Spikelets
- In pairs; sessile spikelet fertile, 2/5 to 1/2 inch long, glumes nearly equal, pubescent; stalked spikelet sterile; fertile lemmas awned or not, sterile lemma awnless.
Ecology
- Habitat
- Sand prairies and sandhills; sandy soils.
- Distribution
- West 2/3 of Kansas.
Practical Information
- Uses
- Sand bluestem is sometimes used on sand dunes or blow-out areas to control erosion.
Additional Notes
Comments
Sometimes called "turkey-foot". Intergrades with big bluestem Andropogon gerardii. Sand bluestem has elongated creeping rhizomes while big bluestem has short rhizomes or is non-rhizomatous.
Quick Facts
- Plant Type
- Grass
- Family
- Poaceae - Grass Family
- Life Span
- Perennial
- Height
- 2-6 feet
- Last Updated
- 2008-02-01
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: July, August, September