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Panicum glutinosum

Comprehensive Description

provided by North American Flora
Panicum glutinosum Sw. Prodr. 24. 1788
Panicum obtusiflorum A. Rich, in Sagra, Hist. Cuba 11: 305. 1850. Panicum Lindenii Griseb. Cat. PI. Cub. 233. 1866.
Plants perennial, somewhat glaucous; culms erect from a geniculate or decumbent base, often rooting at the lower nodes, 1-2 meters high, robust, compressed, glabrous ; leaf-sheaths often longer than the internodes, somewhat keeled, especially the lower, glabrous or sometimes pilose, densely bearded at the juncture with the blade; ligule obsolete; blades elongate-lanceolate, acuminate, 15-50 cm. long, 15-25 mm. wide (the uppermost reduced), abruptly or gradually narrowed at the base, more or less ciliate along the lower portion, glabrous or sometimes very sparsely pilose; panicles rhomboid in outline, 15-30 cm. long, about as wide, the lower branches verticillate, nearly as long as the main axis, stiffly ascending, the axis and branches glabrous, sometimes viscid, bearded in the axils, bearing slender, flexuous, scabrous branchlets, with rather long-pediceled spikelets, mostly along the upper half; spikelets 3 mm. long, 1.5-2 mm. wide, turgid, obovoid, obtuse, olivaceous to brown, the faintly nerved, very viscid glumes whitish on the margin; first and second glumes about equal, slightly shorter than the fruit, the sterile lemma thinner in texture, mostly entirely concealed beneath the first glume, the sterile palea wanting; fruit 2.6 mm. long, 1.2-1.5 mm. wide, obovoid-elliptic, olivebrown, densely minutely puberulent at the summit, otherwise smooth and shining, the margins of the lemma toward the summit scarcely inrolled.
Type locality: Jamaica.
Distribution: Mexico and the West Indies to Paraguay and Bolivia.
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bibliographic citation
George Valentine Nash. 1915. (POALES); POACEAE (pars). North American flora. vol 17(3). New York Botanical Garden, New York, NY
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