 Inflorescence © Steve Matson 2004 |
 Habit © Steve Matson 2004 |
 Habit © Steve Matson 2004 |
Distribution
- range by political unit
Description
| Flowering period | July to August.. |
| Height | 5 -30 cm. |
| Leaf | 2 -3 mm wide. |
| Terminal spike | gynecandrous. |
| Lateral spike | pistillate. |
| Perigynium | biconvex to sub circular in cross section. |
| Achene | trigonous. |
| Style | deciduous. |
Habitat
Rockys soils at higher elevations; 2900 - 3800 m.
Quick description
Dark perigynia; compact racemose inflorescence.
Similar species
Author and publication information for name
Carex helleri Mackenzie, Erythea. 8: 70, fig. 38. 1922.
Synonym (s)
Carex atrata Linnaeus var. nigra W. Boott
Vernacular name
Heller's Sedge
Section
Carex sect. Racemosae
Links
Carex Interactive Identification Key Flora Of North America treatment Cybersedge. Texas A&M University
References
Ball, P.W. and A.A. Reznicek. 2002. Carex
Pp. 254-572. Flora of North America, volume 23.
Oxford University Press, New York and Oxford.
© T. M. Jones 2006