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Calamagrostis purpurascens (Purple reedgrass) | NPIN

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Calamagrostis purpurascens

Calamagrostis purpurascens R. Br.

Purple reedgrass

Poaceae (Grass Family)


USDA Symbol: capu

USDA Native Status: L48 (N), AK (N), CAN (N), GL (N)


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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Leaf Pubescence: Scabrous
Inflorescence: Panicle
Fruit Type: Caryopsis
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Pink , Purple
Bloom Time: Jun , Jul , Aug
Bloom Notes: Panicle dense, usually pinkish or purplish.


USA: AK , CA , CO , ID , MN , MT , NM , NV , OR , SD , UT , WA , WY
Canada: BC
Native Habitat: Substrates: lake shores, tundra, slopes; dry, moderately well drained; calcareous; rocks, gravel, sand, silt. Habitats: Growing on rocky slopes and well-drained sandy soils.

Butterflies and Moths of North America (BAMONA)

Calamagrostis purpurascens is a larval host and/or nectar source for:
Arctic Skipper
(Carterocephalus palaemon)

Larval Host
Learn more at BAMONA


Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright

Search More Titles in Bibliography

From the Archive

Wildflower Newsletter 1989 VOL. 6, NO.5 - Educator\\\'s Native Plants Poster Perfected, Pass a Law, Protect a Tree, Resear...

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

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Additional resources

USDA: Find Calamagrostis purpurascens in USDA Plants
FNA: Find Calamagrostis purpurascens in the Flora of North America (if available)
Google: Search Google for Calamagrostis purpurascens


Record Modified: 2007-01-01
Research By: TWC Staff

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