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Tracy's Beaksedge

Rhynchospora tracyi Britton

Comments

provided by eFloras
Rhynchospora tracyi frequently forms clones extending for acres by means of its long slender rhizomes. Its wandlike, terete, supple culms, and round-capitate clusters of spikelets suggest a rush more than a sedge.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 200, 201, 207, 208, 209 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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eFloras

Description

provided by eFloras
Plants perennial, clonal, to 120 cm; rhizomes scaly, slender, less than 2 mm thick. Culms erect, leafy based, wandlike, nearly terete, multiribbed. Leaves ascending or erect, longest nearly equaling culm; principal blades linear, involute cylindric, to 3 mm wide, apex tapering, subulate. Inflorescences terminal, heads 1–4, dense, macelike, 1–1.5 mm thick; involucral bracts leafy, proximalmost overtopping inflorescence. Spikelets greenish, lance ovoid, 5–6 mm, apex acuminate; fertile scales boat-shaped, 5 mm, apex acute to short acuminate, midrib slightly excurrent or not. Flowers: perianth bristles 6, exceeding fruit body, antrorsely barbellate. Fruits 1 per spikelet, 6–8(–8.7) mm; body pale green brown, laterally compressed, obcordiform, 2.5–3(–4) mm, margins thick, rounded, not crimped, apex barely exserted, setulose, surfaces nearly plane, minutely cancellate (latticed); tubercle (style base) linear, angled, 4–6 mm, much narrower than fruit summit, setulose.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 200, 201, 207, 208, 209 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Distribution

provided by eFloras
Ala., Fla., Ga., La., Miss., N.C., S.C., Tex.; West Indies; Central America (Belize).
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 200, 201, 207, 208, 209 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Flowering/Fruiting

provided by eFloras
Fruiting late spring–fall.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 200, 201, 207, 208, 209 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Habitat

provided by eFloras
Emergent in shallows of cypress domes, marshes and swales, ditches and ponds; 0–100m.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 200, 201, 207, 208, 209 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Ceratoschoenus capitatus Chapman, Fl. South. U.S., 529. 1860; Phaeocephalum tracyi (Britton) House; Schoenus triceps Vahl
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 23: 200, 201, 207, 208, 209 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras