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Rhynchospora baldwinii
A. Gray
Family:
Cyperaceae
Baldwin's Beak Sedge
FNA
Resources
Robert Kral in Flora of North America (vol. 23)
Plants perennial, cespitose, 40-100 cm; rhizomes absent. Culms stiffly erect to ascending, linear, leafy toward base, sharply trigonous, angles scabrid. Leaves shorter than culm; basal leaves forming strong rosette, short linear, flat, 3-5 mm wide, distal more widely spaced, narrower, apex short acuminate, trigonous. Inflorescences: spikelet clusters 1(-2), if 2 then closely set; terminal cluster mostly dense, hemispheric; proximalmost leafy bract subulate, much exceeding clusters. Spikelets dark red brown, ovoid, (4-)5-6 mm, apex acute; fertile scales ovate, mostly 4-4.5 mm, apex excurved cuspidate. Flowers: bristles 12, reaching to or slightly beyond tubercle tip, antrorsely barbellate. Fruits 1-2 per spikelet, 3-3.5(-3.7) mm; body dark brown with paler center, dull, broadly ellipsoid-lenticular, 2-2.5 × 1.8-2 mm, smooth, margins flowing to tubercle; tubercle flat, concavely triangular, 0.7-1(-1.2) mm.
Fruiting spring-fall. Sandy peats in low savannas, pine flatwoods, seeps, and bogs; 0-100 m; Ala., Fla., Ga., La., Miss., N.C., S.C.
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University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
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This project made possible by
National Science Foundation Award 1410069
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