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

Flora Data (Last Modified On 10/16/2012)
PlaceOfPublication Syn. P1. Glum. 1:276. 1854.
Synonym Poa maypurensis H.B.K. Nov. Gen. & Sp. 1:161. 1816. Poa vahlii Roem. & Schult. Syst. Veg. 2:563. 1817. Eragrostis vahlii Nees, Agrost. Bras. 499. 1829. Eragrostis amoena Presl, Rel. Haenk. 1:275. 1830. Eragrostis panamensis Presl, Rel. Haenk. 1:277. 1830. Megastachya amoena Fourn. Mex. P1. 2:118. 1886. Megastachya panamensis Fourn. Mex. P1. 2:118. 1886.
Description Annual; culms erect or decumbent at the base, 10-40 cm. or sometimes as much as 65 cm. high; sheaths glabrous, shorter than the internodes; blades flat, attenuate, mostly 6-15 cm. long, rarely longer, 2-4 mm. wide, papillose-pilose, especially on the upper surface, or nearly glabrous; panicles 8-15 cm. long, erect, the somewhat distant solitary branches stiffly ascending, spikelet bearing nearly to the base, densely pilose in the axils; spikelets 6-10 mm. long, 8- to 28-flowered, short-pedicellate, somewhat spreading, usually tinged with red or purple; glumes acuminate, as long as the lowest floret; lemmas 2-2.5 mm. long, broad at the base, rather abruptly narrowed above the middle to an acute or acuminate tip.
Distribution Wet or dry savannas, fields, moist thickets, and waste places, southern Mexico to Brazil and Bolivia.
Specimen CHIRIQUI: San Felix, Pittier 5I84; David, Hitchcock 8378. COCLE: Aguadulce, Pittier 485I, 4864. CANAL ZONE: Mt. Hope, Standley 28799; Corozal, Hitchcock 919I; Standley 29026. PANAMA: Rio Indio, Dodge d Allen I7380; Rio Azote Caballo, Dodge, Steyermark d Allen I6857; Abalaba, Killip 4270; Rio Tapia, Hitchcock 22950; Standley 28I65; Bella Vista, Standley 25366; Punta Paitilla, Standley 26267; Rio Tecu'men, Stand- ley 26645, 29395; Matias Hernandez, Pittier 6889, 69I9; Standley 3I859; Pacora, Killip 4I99; Rio Pacora, Killip 4226; Chepo, Pittier 4768; Hunter d Allen 8i.
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