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(Last Modified On 10/22/2012)
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(Last Modified On 10/22/2012)
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Genus
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PARIANA Aubl.
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PlaceOfPublication
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PI. Guian. 2:876. pl. 337. 1775.
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Description
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Spikelets unisexual, arranged in whorls at the nodes of a readily disarticulating axis, the whorls falling entire, each composed of 1 pistillate spikelet surrounded and enclosed by 4 or 5 staminate spikelets; pedicels of staminate spikelets thickened, indurate, united; staminate spikelets dorsally compressed; glumes acute or acumi- nate, 1- to 3-nerved, one-third to half as long as the spikelet; lemma broad, 3-, rarely 5-, nerved, acute to obtuse; stamens numerous; pistillate spikelet completely hidden by the staminate spikelets; glumes thin, acute, 1- to 3-nerved; fruit in- durate, resembling that of Olyra.
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Note
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Perennials with broad flat blades and terminal spikes. Culms dimorphic (in our species), the sterile ones leafy, the fertile ones leafless.
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Key
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a. Blades 2-2.5 cm. wide; sheaths fimbriate in the mouth; glumes of staminate spikelets 2-3 mm. long, 2- to 3-nerved, the lemma 4 mm. long - - _ --1. P. SIMULANS aa. Blades 4.5-5.3 cm. wide; sheaths not fimbriate in the mouth; glumes of staminate spikelet 4-5 mm. long, 1-nerved, the lemma 5-6 mm. long _ --- 2. P. STRIGOSA
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