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Pale Bulrush - Scirpus pallidus
Other Names:
Scirpus atrovirens var. pallidus
General Description
Short-rhizomatous. Stems 50–150 cm. Leaves: blades 6–15 mm wide; basal sheaths white to green. Inflorescence unequally umbellate, of several to numerous, pedunculate, capitate clusters. Spikelets 3–5 mm long. Scales 2–2.5 mm long, blackish with a pale midvein and an awn ca. 0.5 mm long. Flowers: bristles 6, straight or curved, spinulose, ca. as long as the scales; stigmas 3. Achene 2- or 3-sided, whitish, ca. 1 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Phenology
Fruiting in late July and August.
Species Range
Montana Range
Range Descriptions
Native
Range Comments
BC to ON south to OR, AZ, NM, TX and MO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 16
(Click on the following maps and charts to see full sized version)
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Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Stewardship Responsibility
References
- Literature Cited AboveLegend:
View Online Publication- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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