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(Last Modified On 10/23/2012)
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(Last Modified On 10/23/2012)
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Species
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LIPOCARPHA MACULATA (Michx.) Torr.
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PlaceOfPublication
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Ann. N. Y. Lyc. 3:288. 1836.
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Synonym
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Kyllinga maculata Michx. Fl. Bor.-Am. 1:29. 1805. Lipocarpha sphacelata (Vahl) Kunth, Enum. 2:267. 1837; at least as to citations from Panama.
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Description
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Cespitose annual, with slender sulcate culms 0.5-3.5 din. long, 0.5-1 mm. wide; leaves basal, soft, 1-2 mm. wide, shorter than, or sometimes equalling the culm; inflorescence terminal, of 3-5 sessile spikes, with 2-3 involucral bracts 1-12 cm. long; spikes ovoid, obtuse, terete, 4-10 mm. long; scales hyaline to sub- rigid, acute, frequently incurved, yellow to purple, 0.7-0.8 mm. wide, lanceolate to broadly cuneate, inner scale hyaline, carinate, often nearly twice as long as the achene which it encloses; achene linear, 0.9-1.2 mm. long, 0.3-0.4 mm. wide, yellow to dark brown, lightly papillose.
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Distribution
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Moist places, southern United States and southward in the tropics.
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Specimen
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COCLE: Anton, Woodson, Allen d Seibert 1710; Aguadulce, Pittier 4895. CANAL ZONE: Darien Station, Standley 31507; Chagres, Fendler 344, 346. PANAMA: sea level, Las Sabanas, Standley 40769; Juan Diaz, Killip 4050; Chepo, Pittier 4522; Nuevo San Francisco, Standley 30762; Matias Hern'andez, Standley 28996; Panama, Standley 27812.
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