Golden-fruit Sedge - Carex aurea
MNPS Threat Rank
Rhizomatous. Stems erect, 3–30 cm. Leaves basal and cauline; blades 1–4 mm wide. Inflorescence of 2 to 4 well-separated spikes; the lowest bract greater than the inflorescence. Spikes ascending or spreading; the uppermost male; the lower female, pedunculate, 5–20 mm long, narrowly cylindric. Perigynia spreading, white to green, becoming golden, obovoid, fleshy, papillose, 2–3 mm long, loosely aggregated; stigmas 2. Female scales ovate, sometimes awn-tipped, light brown with a pale midvein and hyaline margins, shorter but nearly as wide as the perigynia. Achene 2-sided, smaller than the perigynium (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Spikes (the lower and the upper) distinctly unalike, lateral spikes sessile or peduncled; if sessile then more or less elongate. Perigynia turgid, obovoid, elliptic in cross section. Mature perigynia membraneous, whitish-puberulent, pistillate scales blunt or rounded. Achenes lenticular to plano-convex, stigmas 2, spikes 2 or more.
AK to NL south to CA, NM, TX, OH and NY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
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)
Moist meadows, turf, usually around streams, ponds, seeps, wetlands; plains, valleys to lower alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
- Additional ReferencesLegend: View Online Publication
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- Bissell, J.K. 1986. Survey of Valley Wall and Lake Bluff slumps in Erie County, Pennsylvania. Cleveland Museum of Natural History. U86bis01.
- Bright, J. 1925-1930. The Genus Carex in Pennsylvania, Trillia 9:1-33. A25BRI01PAUS
- Fernald, M. L. 1950. Gray's manual of botany. Eighth edition. A handbook of the flowering plants and ferns of the central and northeastern United States and Adjacent Canada. American Book Co., New York.
- Gleason, H.A. 1952. New Britton & Brown. Illustrated Flora. Lancaster Press Inc. Lancaster, Pa. B52GLE01PAUS
- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Mackenzie, K.K. 1935. Cyperacea. North American Flora. A35MAC01PAUS.
- Mackenzie, K.K. 1940. North American Cariceae; in Rickett, H. W. (ed.) ???. The New York Botanical Garden. New York, NY. Lancaster Press, Lancaster, PA. pp. B40MAC01PAUS.
- McCance, R.M., Jr., and J.F. Burns, eds. 1984. Ohio endangered and threatened vascular plants: Abstracts of state-listed taxa. Division Natural Areas and Preserves, Ohio Dept. Natural Resources, Columbus. 635 pp.
- Miller, J. 1923. Flora of Erie County Pennsylvania. Erie Women's Club Erie, Pa. B23MIL01PAUS.
- Nuttal, Thomas. 1818. The Genera of North American Plants: and a catalogue of the species, to the year 1817. Printed by D. Heartt, Philadelphia. 2 volumes. B18NUT01PAUS.
- Voss, E.G. 1972. Michigan Flora Part I. Kingsport Press, Bloomfield Hills, Mich. B72VOS01PAUS
- Wherry, E.T., J.M. Fogg and H.A. Wahl. 1979. Atlas of the Flora of Pennsylvania. The Morris Arboretum of the Univ. of Pennsylvania. Philadelphia. B79WHE51PAUS.