Hyparrhenia bracteata (Humb. & Bonpl. ex Willd.) Stapf

bracteata: possessing bracts

Andropogon bracteatus H. & B.; Wilid. Sp. PL 4 : 914. 1806
Cymbopogon Humholdtii Spreng. Pugill. 2 : 15. 1815. Anthisiiria reflexa H.B.K. Nov. Gen. & Sp. 1 : 191. 1816. AnthisHria foliosa H.B.K. Nov. Gen. & Sp. 1 : 191. 1816. Cymbopogon refiexus R. & S. Syst. 2 : 834. 1817. Cymbopogon foliosus R. & S. Syst. 2 : 835. 1817. Anthisiiria Humholdtii Nees, Agrost. Bras. 369. 1829. Antkistiria pilosa J. Presl, in Presl, Rel. Haenk. 1 : 348. 1830. Andropogon trachypus Trin. M^m, Acad. St. Petersb. VI. 2 : 280. 1832. Anthisiiria andropogonoides Steud. Syn. Gram. 402. 1855. Hyparrhenia foliosa Anderss.; Fourn. Mex. PI. Gram. 67. 1881. Sorgum bracieatum Kuntze, Rev. Gen. 791. 1891.
Perennial. Stems 1 m. tall or more, glabrous, or appressed-pubescent below the nodes,
branched above; leaf -sheaths appressed-hirsute above, otherwise glabrous; blades 3-4 dm.
long, 2-4 mm. wide, rigid, usually pubescent below, rarely glabrous; inflorescence up to 3
dm. long, narrow, the branches often nodding; spathes brown, acuminate, 2-2.5 cm. long,
usually appressed-hirsute, rarely glabrous; racemes in pairs, 8-12 mm. long, on a common
peduncle which is ciu"ved and tuberculate-setiferous at the apex, one raceme nearly sessile,
the other on a peduncle about 2 mm. long, the dark-violet appendage 1.^-2 mm. long, a pair,
or sometimes 2 pairs, of homogamous spikelets present in one raceme, wanting in the other;
perfect sessile spikelet glabrous, 5-6.5 mm. long, including the densely barbed callus which is
1-1.5 mm. long, linear-oblong, the first scale chartaceous-herbaceous, 7-nerved, hispidulous
at the apex, deeply sulcate, the second scale 3-nerved, the keel often running out into a mucro,
the fourth scale bearing an awn 2-3 cm. long, the column pubescent with short brown hairs;
pedicellate spikelet staminate, 5 mm. long, lanceolate, the first scale 7-nerved, acute, muticous
or shortly awned, hispidulous above on the nerves, the second scale 3-nerved, retrorsely ciliate
with long hairs.
Type locality ; Cumana, Venezuela.
DiSTRiBOTiON : Mexico to Panama ; St. Vincent ; also in tropical South America.

Hyparrhenia bracteata est une plante de la famille des Poaceae appartenant au genre Hyparrhenia.

Hyparrhenia bracteata là một loài thực vật có hoa trong họ Hòa thảo. Loài này được (Humb. & Bonpl. ex Willd.) Stapf mô tả khoa học đầu tiên năm 1918.

苞茅（学名：Hyparrhenia bracteata）为禾本科苞茅属下的一个种。