Mt. Shasta Sedge - Carex straminiformis
State Rank Reason (see State Rank above)
Reported for Montana (Dorn 1984, Hermann, Hitchcock & Cronquist 1973 and FNA vol 23). More information is needed to determine the status of the species in the state.
Densely caespitose, to 45 cm tall, rhizomes if present then short. Blades 1-3 mm wide, basal and on lower culm. Lowest bract lacking or shorter to slightly longer than the inflorescence. Inflorescence 1.5-2.5 cm long, 1-2 cm wide, headlike, usually much overtopping the leaves. Spikes 3-9, gynaecandrous, 7-15 mm long, 5-7 mmwide, ovate to nearly globose, sessile, each with up to 30 perigynia. Pistillate scales shorter than or subequal to teh perigynia and a little narrower, brownish with a green midstripe and hyaline margines, acute. Perigynia 4-5.6 mm long, 1.6-2.5 mm wide, ovate-elliptic, greenish or light brown, finely serrulate in the distal half and sometimes below, gradually or rather abruptly tapered to a bi-dentate, more or less flattened beak. Stigmas 2; achenes lenticular (adapted from: Welsh et al., 1993, A Utah Flora, 2nd ed.).
WA east to MT, south to CA (where it is most common) to NV and UT (Kartesz in prep. 2012).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
Sagebrush, meadows, and spruce communities (Welsh et al., 1993, A Utah Flora, 2nd ed.).
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- U.S. Department of Agriculture, Forest Service. Idaho and Wyoming endangered and sensitive plant field guide. [n.d.]. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Region. 192 p.