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Project Name Data (Last Modified On 10/16/2012)

Flora Data (Last Modified On 10/16/2012)
PlaceOfPublication Agrost. Bras. 36. pl. I. f. 3. 1823.
Description Spikelets short-pedicelled in rather dense contracted panicles; glumes acumi- nate, the first 3- to 5-nerved, the second 5-nerved, much longer than the first; sterile lemma acute, 3- to 5-nerved, a little shorter to a little longer than the first glume, containing a well-developed palea; fertile floret much shorter than the sterile lemma, with a short bearded callus and a terminal geniculate awn. Slender to coarse perennials with narrow blades and small to large contracted panicles.
Key a. Awns 2-5 mm. long, tightly twisted below the bend. b. Spikelets 3 mm. long; awns 2 mm. long, the twisted segment about as long as the sterile lemma -1. A. HISPIDA bb. Spikelets 4.5-5 mm. long; awns about 5 mm. long, the twisted seg- ment about 2 mm. long, distinctly longer than the sterile lemma-. 2. A. CONFINIS aa. Awns 8-12 mm. long, not twisted, or only slightly so toward maturity. b. Culms coarse, 1-2.5 m. high; sheaths densely papillose-hispid - 3. A. DEPPEANA bb. Culms slender, 30-60 cm. high; sheaths glabrous - 4. A. BERTERONIANA
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