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(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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PSEUDECHINOLAENA POLYSTACHYA
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PlaceOfPublication
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Fl. Trop. Afr. 9:495. 1919.
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Synonym
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Ecbinolaena polystacbya H.B.K. Nov. Gen. & Sp. 1:119. 1815. Panicum uncinatum Raddi, Agrost. Bras. 41. 1823.
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Description
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Slender decumbent-spreading annual; culms 15 cm. to as much as 1 m. high, branching, rooting at the lower nodes, more or less pilose; sheaths mostly much shorter than the internodes, rather densely papillose-pilose or hirsute, especially toward the summit; ligule brown, about 1 mm. long; blades ovate-lanceolate, often unsymmetrical, 2-7 cm. long, 5-16 mm. wide, thin, acuminate-pointed, appressed- pilose on both surfaces; inflorescence 5-20 cm. long, the axis pilose, the slender distant racemes usually narrowly ascending; spikelets 3-4 mm. long, appressed or somewhat spreading, the pedicels 1-3 mm. long; first glume broad, acute, pubes- cent, a little shorter than the spikelet; second glume longer than the first, sparsely to densely covered with coarse hooked bristles; fruit about 2 mm. long, acute, smooth and shining.
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Distribution
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Wet forests, moist brushy slopes, stream margins, and open cultivated ground, Mexico to Bolivia and Paraguay; tropical Africa.
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Specimen
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CHIRIQUI: El Boquete, Hitchcock 8I79, 830; Maxon 5oo6; Finca Lerida to Boquete, Woodson, Allen & Seibert 1167.
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