|
(Last Modified On 10/22/2012)
|
|
|
|
(Last Modified On 10/22/2012)
|
|
Species
|
HYPARRHENIA BRACTEATA (Humb. & Bonpl.) Stapf
|
|
PlaceOfPublication
|
Prain, Fl. Trop. Afr. 9:360. 1919.
|
|
Synonym
|
Andropogon bracteatus Humb. & Bonpi. ex Willd. Sp. Pl. 4:914. 1806. Cymbopogon bracteatus Hitchc. Contr. U. S. Nat. Herb. 17:209. 1913.
|
|
Description
|
Perennial; culms in large clumps, erect, 0.5-1.5 m., or sometimes 2 m., high, appressed-hirsute below the nodes; sheaths compressed, keeled, appressed-hirsute at least toward the summit, often densely hirsute all over, the lower ones elongate; ligule membranaceous, 1-2 mm. long; blades elongate, 2-4 mm. wide, flat, or loosely rolled in drying, glabrous or villous, with a bunch of long hairs just back of the ligule; inflorescence narrow and rather dense, usually crowded toward the summit of the culm, the branches usually short-appressed; racemes about 1 cm. long, with 1 perfect spikelet, purple, the pairs protruding from the side of the narrow, hirsute spathes, the peduncle curved or flexuous, densely papillose-hirsute; fertile spikelet 5 mm. long, minutely bi-dentate, sulcate, hispid on the margins at the summit; awns 15-20 mm. long, twice-geniculate, brown, the lower segments tightly twisted, hirsute with pale or yellow hairs; pedicellate spikelets as large as the sessile, the first glume acuminate or awn-pointed.
|
|
Distribution
|
Fields, wet savannas, and grassy hills, Mexico to Paraguay.
|
|
Specimen
|
CHIRIQUI: El Boquete, Hitchcock 8I73, 8295; Killip 4520. COCL-: Picacho de Ola, Pittier 507I.
|
|
Tag
|
|
|
|
Project Name
|
|
Tag
|
|
|
|