(Last Modified On 10/16/2012)
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(Last Modified On 10/16/2012)
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Species
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PASPALUM PLICATULUM
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PlaceOfPublication
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Fl. Bor. Amer. 1:45. 1803.
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Synonym
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Paspalum undulatum Poir. in Lam. Encycl. 5:29. 1804. Paspalum lenticulare H.B.K. Nov. Gen. & Sp. 1:92. 1815. Paspalum gracile LeConte, Jour. de Phys. Chym. 91:285. 1820. Paspalus leptos Schult. Mant. 2: 173. 1824. Paspalum montevidense Spreng. Syst. Veg. 1:246. 1825. Paspalum tenue Kunth, Rev. Gram. 1:26. 1829. Paspalum multiflorum Desv. Opusc. 58. 1831. Paspalum orthos Schult. ex Kunth, Enum. P1. 1:57. 1833. Paspalum marginatum Spreng. in Steud. Nom. Bot. ed. 2. 2:272. 1841, Panicum campestre Schlecht. Linnaea 26:131. 1853. Paspalum atrocarpum Steud. Syn. P1. Glum. 1:25. 1854. Paspalum antillense Husn. Bull. Soc. Linn. Normand. II. 5:260. 1871. Paspalum saxatile Salzm. ex Doell in Mart. Fl. Bras. 22:76. 1877. Paspalum decumbens Sagot ex Doell in Mart. Fl. Bras. 22:77. 1877. Paspalum plicatulum var. intumescens Doell in Mart. Fl. Bras. 22:78. 1877. Paspalum pauperculum Fourn. Mex. P1. 2:10. 1886. Paspalum pauperculum var. altius Fourn. Mex. P1. 2:10. 1886. Panicum plicatulum Kuntze, Rev. Gen. P1. 33:363. 1898.
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Description
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Perennial; culms in small tufts, mostly 0.5-1 m. high, erect or ascending, simple or sparingly branched, glabrous; sheaths longer than the internodes, keeled, glabrous or sparsely papillose-pilose; ligule 2-3 mm. long, brown, truncate; blades as much as 50 cm. long, 3-10 mm. wide, firm, flat or folded, glabrous or sparsely papillose-pilose on the upper surface, especially along the margins; racemes few to several, usually arcuate-spreading, 2-10 cm. long with a tuft of long hairs at the base, these sometimes nearly wanting; spikelets 2.5-2.8 mm. long, paired, glabrous or appressed-pubescent, the sterile lemma cross-wrinkled near the margins; fruit dark brown, smooth and shining.
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Distribution
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Moist open ground or wood borders, mostly in clay or sandy soil, southern United States and the West Indies to Argentina.
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Specimen
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CHIRIQUI: El Boquete, Hitchcock 8I90, 8292, 8293; Dolega, Hitchcock 8339 2. COCLE: Aguadulce, Pittier 49I4; El Valle, Bartlett & Lasser I6653. CANAL ZONE: Fort Randolph, Maxon & Harvey 6514; Standley 28600; Gatuin, Piper 5i98; Hitchcock 7969; 798I; Empire, Pittier 3725; Culebra, Hitchcock 7902, 8024; Summit, Standley 30000; Madden Dam, Bartlett & Lasser I6799; between Pedro Miguel and Corozal, Hitchcock 799I; between Corozal and Ancon, Pittier 673I; Corozal, Piper 5206; Killip 4099; Anc6n, Hill, Killip 40I2, 403I; Greenman C& Greenman 5I38; Ancon, Killip 41I6; Balboa, Stand- ley 25265, 261I3, 32099; Hitchcock 7995, 8oio. PANAMA: Chivi-Chivi Trail, Piper 5I98Y/2; Matias Hernaindez, Stantdley 28979; Las Sabanas, Pittier 6763; Standley 2590I; Panam'a, Standley 26874, 29705; Taboga Island, Pittier 3622; Chorrera, Hitchcock 8I24, 8I38; Chepo, Pittier 4494, 455I, 4742, 4648; Aguarubia, Killip 4280.
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