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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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CYPERUS HASPAN L.
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PlaceOfPublication
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Sp. P1. 45. 1753
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Description
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Perennial from short slender rhizomes, or sometimes annual; culms weak; leaves mostly short and reduced to sheaths; bracts commonly 2 and shorter than the inflorescence, sometimes elongate; inflorescence usually compound, the spike- lets numerous, 5-15 mm. long, 10- to 30-flowered, compressed, reddish- or greenish-brown; scales 1.5 mm. long, obtuse, minutely apiculate; achene minute (0.6 mm. long), obovoid, trigonous, yellow (frequently becoming whitened), with rough granular surface.
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Distribution
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In swamps or wet soil, at 1,500 m. or less. Warmer regions of both hemis- pheres.
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Elevation
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1,500 m. or less
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Specimen
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CHIRIQUI: Boquete, alt. 1200-1500 m., Woodson & Schery 745; Finca Lerida to Boquete, ca. 1300-1700 mn., Woodson, Allen d Seibert II58; Boquete, Hitchcock 8259. COCL1: between Las Margaritas and El Valle, Woodson, Allen d Seibert I7I5, I755; Aguadulce, Pittier 4926. CANAL ZONE: Summit, Standley 30048. PANAMA: east of Pacora, ca. 25 m., Woodson, Allen d Seibert 75I; Las Sabanas, Bro. Heriberto I55; Chor- rera, Hitchcock 8I33; Chepo, Pittier 4558; and many other collections.
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