Andropogon gerardii Vitman - Big Bluestem


 

|  back  | forward |

Andropogon gerardii - (image 1 of 5)

 

Taxonomy

Family: Poaceae

Habitat

Found in moist and dry prairies.

Associates

Most consistent associate is Sorghastrum nutans

Distribution

Quebec west to Saskatchewan, south to FL and AZ.

Morphology

Perennial grass to 12' high. Racemes 5-10cm long, digitate, 2 to 10 per peduncle, most commonly 4. Awns of fertile spikelets 8-20mm long, twisted below the middle. Hair of joints and rachises white to merely sordid.

Notes

Flowers early July to late September

Wetland indicator: Facultative -

One of the dominant grasses of tall grass prairies. Also called "turkeyfoot" in reference to the shape of the seed heads. Turns an attractive purple-brown late in the summer. Very pretty when the wind blows in waves through a large stand of big bluestem.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


Home

 

Michael Hough 2004