Shortleaf Rush - Juncus brachyphyllus
(see State Rank Reason below)
MNPS Threat Rank
State Rank Reason (see State Rank above)
Reported for Montana in Flora of North America.
Plants 25-65 cm tall; stems stout and rigid. Leaves flat to channeled, up to 1/2 culm length, 1-2 mm wide, auricles 0.5-2 mm long, firm and membranaceous. Inflorescence a many-flowered compact cyme; involucral bracts equal to or mostly exceeding inflorescence. Flowers bracteolate; perianth segments 3.5-6 mm long, outer series longer than inner, lanceolate-subulate, margins broadly scarious. Stamens 6, half as long as the inner perianth segments, anthers equal in length to filaments. Capsules oblong, equal to slightly less than the inner perianth length, completely 3-locular, meeting walls straight (not convacve); seeds 0.2-0.4 mm long, oblong, ends shortly apiculate (adapted from: Churchill, 1986, in Flora of the Great Plains).
Inland areas of Pacific Northwest (WA, OR, CA, ID, MT) recurring in NM, NE, KS, OK and TX sporadically east to MO, AR, and TN (Kartesz in prep. 2012).
Moist to wet prairies, salt flats and slightly drier upland open woods; soils often sandy (Churchill, 1986, in Flora of the Great Plains).
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.