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Scleria lithosperma

Scleria lithosperma (L.) Sw.  
Family: Cyperaceae
Florida Keys Nut-Rush
[Carex tenuis J. F. Gmel., moreHypoporum gracile , Scleria lithoperma (L.) Sw., Scleria puzzoleana K. Schum.]
Scleria lithosperma image
  • FNA
  • Resources
A. A. Reznicek, John E. Fairey III & Alan T. Whittemore in Flora of North America (vol. 23)
Plants perennial; rhizomes short, nodulose, aromatic when fresh. Culms in tufts, slender, 30-90(-115) cm, glabrous or slightly scabrous. Leaves: sheaths purplish, wingless, weakly ribbed, finely pilose or nearly glabrous; contra-ligules reddish, triangular, rigid, distinctly ciliate; blades distinctly grayish green and revolute when dry, linear, attenuate, keeled, 1-3(-5) mm wide, shorter than culms. Inflorescences: axillary 1-3, terminal 1, quite lax; stalked spikes or panicles 2-4, terminal one 3-4.5(-8.5) cm with 2-7 open fascicles 2-6(-9) mm wide, of 1-4 spikelets; bracts subtending and overtopping inflorescence leaflike, broadly attenuate, scabrous. Spikelets bisexual (an occasional terminal staminate spikelet), few flowered, 3-5 mm; staminate scales lanceolate, pistillate scales ovate-acuminate, with prominent green keel. Achenes whitish or gray between angles, obscurely trigonous, ovoid or globose, 2-2.5(-3) mm, smooth, base broadly attenuate, somewhat depressed between angles, trigonous, not porose, apex umbonate; hypogynium obsolete, reduced to distinct brown band at base of achene.

Fruiting spring-fall. Dry thickets, open woods, hammocks, restricted to limestone soils; 0 m; Fla., La.; Mexico; West Indies; Central America; South America; tropical Asia; Africa.
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Open Interactive Map
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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Geovani Palma
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Geovani Palma
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University of Florida Herbarium
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University of Florida Herbarium
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University of Florida Herbarium
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