Perennial herb from short-creeping rhizomes; stems 10-90 cm tall, arising singly, triangular, rough below the inflorescence, longer than the leaves.
Sheaths tight; ligules as long as wide; blades 4 to 8 per stem, flat, the margins rolled-under, borne on the lower 1/2 of the stem, 2-12 mm wide, the lower ones reduced, persistent.
Spikes 4 to 7, the terminal 1 to 3 linear, 1.5-5 cm long, long-stalked, with many male flowers, the lower 1 to 4 spikes cylindrical, 1.5-5 cm long, with female flowers, or some with male flowers above the female flowers, short-stalked, erect to spreading or nodding; bracts subtending the lowest spike leaflike, sheathless or short-sheathing, the lowest longer than the inflorescence.
Perigynia elliptical to broadly egg-shaped, 3.5-5 mm long, 1-1.2 mm wide, yellowish-green or brown to purplish-black, somewhat inflated, smooth, shiny, 2-ribbed, the bases round, short-stalked, the beaks short, 0.1-0.3 mm long, entire or nearly so; femal
Present over the Summer
Source: The USDA
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|BAFA(6), BWBS(3), ESSF(35), MH(4), MS(8), SBPS(1), SBS(13), SWB(2)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Carex ambusta Boott
Carex miliaris Michx.
Carex physocarpa J. Presl & C. Presl
Carex rhomalea (Fernald) Mack.
Carex rotundata var. compacta (R. Br. ex Dewey) B. Boivin
Carex saxatilis subsp. laxa (Trautv.) Kalela
Carex saxatilis var. major Olney
Carex saxatilis var. miliaris (Michx.) L.H. Bailey
Carex saxatilis var. rhomalea Fernald