Plains bluestem
Also known as: King Ranch bluestem, KR bluestem, Turkestan bluestem
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Morphology
- Culm
- Slender, solid, sometimes decumbent at base, grooved on one side, glabrous to short-hairy at nodes.
- Blades
- Flat to folded or rolled under, 1/2 to 9 inches long, less than 1/5 inch wide, midrib prominent, rough to thinly hairy, particularly on upper surface near collar.
- Sheath
- Longer than internodes, slightly keeled, glabrous.
- Ligule
- Fringed membrane.
- Inflorescence
- Panicle, digitate (like fingers on a hand), purplish, terminal; inflorescence axis shorter than branches,; branches 2-8, each .8 to 2.8 inches long; rachis and pedicels fringed with silky hairs.
- Spikelets
- In pairs; one sessile and perfect; one stalked, as large or slightly larger, sterile; awns of fertile lemmas twisted, bent, .4 to .6 inch long.
Ecology
- Habitat
- Waste ground, roadsides, and pastures; fine-textured, calcareous soils.
- Distribution
- Scattered throughout Kansas.
Practical Information
- Forage Value
- Livestock will consume plains bluestem during its early growth stages.
- Uses
- Plains bluestem has been used for pasture, hay and soil conservation purposes such as bank stabilization.
Additional Notes
Comments
Is very susceptible to leaf rust, which will cause the leaves to wilt and turn a rust color. Plains bluestem is a weedy grass than can crowd out more desirable species.
Synonyms
Alternative scientific names that have been used for this plant.
Scientific Name: Andropogon ischaemum
Full Citation: Andropogon ischaemum L.
Quick Facts
- Plant Type
- Grass
- Family
- Poaceae - Grass Family
- Life Span
- Perennial
- Height
- 14-38 inches
- Origin
- Introduced
- Last Updated
- 2007-09-30
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: July, August, September