Description
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Plants perennial, cespitose, 10–50 cm; rhizomes stoloniferous, slender. Culms erect to excurved, filiform, leafy, ± terete. Leaves shorter than culm; blades ascending, filiform, proximally to 1.5(–2)mm wide, apex trigonous, tapering, setaceous. Inflorescences: lateral spikelet clusters (0–)1–2, distant, terminal cluster ellipsoid to broadly turbinate or hemispheric, branches ascending; leafy bracts setaceous, overtopping clusters. Spikelets red-brown to deep brown, lanceoloid, (4–)5–6(–7) mm, apex acute; fertile scales lanceolate, 4–5(–6) mm, apex acuminate, midrib often excurrent as awn. Flowers: bristles 5–6, longest reaching at least past tubercle base, mostly to tip or beyond, antrorsely barbellate. Fruits 2(–3) per spikelet, (2.3–)2.5–2.6(–3) mm with pedicellar joint, receptacle, and tubercle; body lustrous, pale brown to deep brown, obovoid to ellipsoid, lenticular, 1–1.5 × 1 mm, margins narrow, flowing to tubercle; surfaces longitudinally finely lined, transversely very finely ridged with wavy rows of very narrow, vertical lattices, sometimes also with lines of shallow pits; tubercle triangular subulate, (0.7–)1–1.3(–1.5) mm, base lunate, margins setulose proximally.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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N.B., Nfld. and Labr., N.S., Ont., Que., Sask.; Conn., Del., Ill., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., Pa., R.I., Vt., Wis.; Europe.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Sands and peats of pond shores, bogs, and seeps; 0–400m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Schoenus fuscus Linnaeus, Sp. Pl. ed. 2, 2: 1664. 1763; Phaeocephalum fuscum (Linnaeus) House; Rhynchospora alba (Linnaeus) Vahl var. fusca (Linnaeus) Vahl
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Rhynchospora fusca: Brief Summary
provided by wikipedia EN
Rhynchospora fusca (vernacular name: brown beak-sedge) is a species of sedge belonging to the family Cyperaceae.
Its native range is Europe, Central and Eastern Canada to Northern Central and Eastern USA.
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