Comprehensive Description
provided by North American Flora
Bulbostylis hirta (Thunb.) Svenson, Contr. Oc. Mus. Hist Nat. Col. de la Salle 4: 11. 1946.
Cyperus hirtus Thunb. Phytogr. Bl. 6. 1803. (South Africa.)
Scirpus hispidulus Vahl, Enum. 2: 276. 1805. (Guinea.)
Isolepis exilis H.B.K. Nov. Gen. & Sp. 1 : 224. 1816. (Venezuela.)
Fimbristylis exilis R. & S. Syst. Veg. 2: 98. 1817.
Fimbristylis hispidula Kunth, Enum. PI. 2: 227. 1837.
Scirpus chirigota C. Wright in Sauv. Anal. Acad. Ci. Habana 8: 81. 1871. (Cuba.)
Fimbristylis hirta Kiikenth. Repert. Sp. Nov. 23: 196. 1926. Not F. hirta R. & S. 1817.
Annual, strigose-pubescent throughout ; culms thicker and less wiry than in other annual species, 1.5-3 dm. high; leaves half the length of the culms; inflorescence umbellate, the spikelets single, S-9 mm. long, on long, erect or horizontal rays ; scales acute, hispid ; achenes trigonous, obovate, 1.0-1.3 mm. long, 1 mm. wide, truncate at the apex and with an obtuse outer angle, dull yellowish-gray, the surface prominently undulate ; tubercle conic, borne on a slight elevation and usually deciduous ; style very short, 0.75 mm. below the branches ; stamens 3, the anthers 0.75-1.0 mm. long.
Type locality : South Africa.
Distribution: Africa and Madagascar; occasional in Cuba and Venezuela.
- bibliographic citation
- Henry Knut Svenson. 1957. (POALES); (CYPERACEAE); SCIRPEAE (CONTINUATIO). North American flora. vol 18(9). New York Botanical Garden, New York, NY
