Bromus kalmii A. Gray - Prairie Brome


 

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Bromus kalmii - (image 1 of 2)

 

Taxonomy

Family: Poaceae

Habitat

Prairie remnants and calcareous fens.

Associates

In fens it grows with Angelica atropurpurea, Calamagrostis canadensis, Cirsium muticum, Eupatorium perfoliatum, Lathyrus palustris, Lilium michiganense, Lycopus americanus, Lysimachia quaddriflora, Mentha arvensis, Oxypolis rigidior, Parnassia glauca, Pedicularis lanceolata, Senecio aureus, Solidago ohioensis.

Distribution

ME west to MN and SD, south to MD and IA. Presumably extirpated from ME.

Morphology

Perennial grass; culms loosely clustered or solitary, 0.5-1.0 m. Leaves mostly 3-6 per stem, the nodes mostly exposed; sheaths villous or occasionally glabrous; blades to 10 mm x 20 cm, glabrous or hairy; ligule under 1 mm. Spikelets flattened, nodding; first glume usually 3-nerved; lemmas manifestly awned, pubescent, densely appressed-pilose with some hairs up to 1mm or more long.

Notes

Flowers in July

Wetland indicator: Facultative

This species appears to have become rather rare due to habitat destruction.

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

 

USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA

 


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 Michael Hough 2004