(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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KYLLINGA PUMILA Michx.
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PlaceOfPublication
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Fl. Bor.-Amer. 1:28. 1803.
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Synonym
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Cyperus desicaespitosus Mattf. & Kuekenthal, Pflanzenr. IV20:597. 1936.
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Note
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If Kyllinga is to be included under Cyperus as Kuekenthal has recently done, then Lipocarpha, Ascolepis and Hemicarpha should also be included under Cyperus. Nothing seems to be gained by disturbing the state of these, fairly well-defined elements. The genera should probably be arranged in the following order to show the natural relationships: Cyperus, Kyllinga, Remirea, Ascolepis, Lipocarpha, Hemitarpha.
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Description
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Annual, cespitose, 4-40 cm. high, with leaves (2-3 mm. wide) usually shorter than the slender culms; heads 1-3, confluent, ovoid or cylindric, 4-6 mm. long, compressed; scales membranous, pale green, strongly nerved, the keel prominently toothed; stamens 1 or 2; achene elliptic, 1-1.5 mm. long, pale brown, minutely papillose.
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Distribution
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Widely distributed, often as a 'weed in cultivated ground, from New York to Ohio and southward to Argentina; also in Africa.
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Specimen
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CHIRIQUI: Bajo Mona and Quebrada Chiquero, alt. 1500 m., Woodson d Schery 557. PANAMA: Chepo, 30 m., Hunter dg Allen 42; Rio Tecu'men, Standley 29434. DARIEN: Boca de Cupe, ca. 40 m., Allen 887. CANAL ZONE: Las Cruces Trail, Standley 2908I; Summit, Standley 29677; Ancon Hill, Standley 25i68.
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