Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
62. Cyperaceae, the Sedge Family
2. Carex L. -- Sedge
57. Carex vulpinoidea Michx. -- Fox sedge
Densely tufted from short rootstocks; culms stiff, sharply trigonous,
not winged nor flattened under pressure, 3-9 dm long, shorter than to exceeding
the leaves. Leaves 2-4 mm wide; sheaths tight, cross-rugulose
and hyaline ventrally, green or green-and-white mottled dorsally. Spikes
bisexual, androgynous, more than 10, closely aggregate or separate in the lower
part, in oblong to cylindric heads 3-9 cm long, with 2-several spikes per branch
at the lower nodes; bracts setaceous, slightly to much exceeding the
spikes, often 5 cm or more long; pistillate scales aristate, the awns
about equaling to much exceeding the perigynia. Perigynia yellowish-green,
becoming stramineous or brown at maturity, plano-convex, ovate to suborbicular,
2-3 mm long, ca. 1/2 as wide, finely few- to several-nerved dorsally, nerveless
ventrally, abruptly contracted to the smooth to serrulate, bidentate beak which
is ca. 1/3 the length of the entire perigynium; achenes lenticular, 1-1.5
mm long; stigmas 2, the style base swollen above the achene. Jun--Aug.
Wet meadows, marshes, shores, stream banks, ditches, springs and other wet places;
very common; (Newf. to B.C., s to FL, TX, CO, AZ and OR).
Previous Section -- Carex viridula Michx.
Return to Family -- Cyperaceae - The
Next Section -- Cyperus acuminatus Torr. & Hook.