Nevada Bulrush - Amphiscirpus nevadensis
Perennials with creeping rhizomes; culms subterete, 10-50 cm tall. Leaves clustered near base of culms, the lower sometimes reduced to bladeless sheaths, the upper with channeled or flat baldes to 20 cm long and 1-3 mm wide. Leaflike involucral bract solitary, 1.5-7 mm long; scalelike involucral bracts 1 or more, sometimes with the firm midrib exserted as an awn shorter than the body. Spikelets (1-)2-10, sessile in a compact cluster, 1-2 cm long; scales shining brown, with white, hyaline, sometimes ciliolate margins, teh apex entire, the midrib firmer than the body and greenish, not exserted as a mucro; perianth bristles 1-3(-4), retrorsely barbellate, mostly less than 1/2 the length of the achene; styles 2-branches for ca. 1/2 their length or less; achenes ca. 2 mm long, planoconvex, cellular-reticulate (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).
BC to MB south to CA, NM, and NE (Kartesz in prep. 2012).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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Wet, alkaline prairie and muddy shores of alkaline ponds and lakes in the valley zone and on the plains.
- Additional ReferencesLegend: View Online Publication
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- Chadde, Steve. Sensitive Plant Survey, Pinkham Analysis Area, Kootenai National Forest. Unpublished Report, 26 Pp. Plus Appendices.
- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.