Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
62. Cyperaceae, the Sedge Family
2. Carex L. -- Sedge
34. Carex leptalea Wahl.
Densely tufted; culms slender, obtusely trigonous, 1-7 dm long, equaling
or exceeding the leaves. Leaves 0.5-1.25 mm wide; sheaths tight,
white-hyaline ventrally. Spikes solitary on the culms, bisexual, androgynous,
few-flowered, 5-15 mm long; bracts none; staminate scales obtuse
to acute, overlapping around the rachis; pistillate scales obtuse to
cuspidate, shorter than the perigynia, or the tip of the lowest scale sometimes
prolonged beyond the perigynium. Perigynia yellowish-green, nearly terete
or somewhat flattened, oblong to narrowly elliptic, 2.5-5 mm long, finely many-nerved,
beakless or short-beaked, the orifice entire; achenes trigonous-obovoid,
1.5-2 mm long; stigmas 3. Jun--Jul. Bogs and wet woods; rare, with records
from McHenry, Pembina and Ransom counties, ND, Lawrence and Custer Counties,
SD; (Labr. to AK, s to FL, MO, ND, NM and CA; also TX).
Previous Section -- Carex lasiocarpa Ehrh.
Return to Family -- Cyperaceae - The
Next Section -- Carex limosa L.