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Species
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SORGHUM VULGARE Pers.
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PlaceOfPublication
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Syn. P1. 1:101. 1805.
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Synonym
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Holcus sorghum L. Sp. P1. 1047. 1753. Andropogon sorghum Brot. Fl. Lusit. 1:88. 1804. Andropogon vulgaris Raspail, Ann. Sci. Nat. Bot. 5:307. 1825. Sorghum dura Griseb. Fl. Brit. W. Ind. 560. 1864. Sorghum sorghum Karst. Deutsch. Fl. 367. f. I89. 1880. Andropogon sorghum var. sativus Hack. in DC. Monogr. Phan. 6:505. 1889. Andropogon sorghum subsp. sativus var. vulgaris Hack. in DC. Monogr. Phan. 6:515. 1889. Andropogon sorghum var. vulgaris Hack. ex Hook. f. Fl. Brit. Ind. 7:184. 1896.
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Description
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Annual; culms coarse, erect, with broad flat blades and small to large, dense, heavy panicles; spikelets ovate, rather densely hairy, awned or awnless. Cultivated for forage; sometimes escaped. An extremely variable species with numerous horticultural varieties.
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Common
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Sorghum Maicillo
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Distribution
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Warm regions of both hemispheres.
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Specimen
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CANAL ZONE: Balboa, Standley 26467.
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Subspecific
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SORGHUM VULGARE var. SUDANENSE (Piper) Hitchc.
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PlaceOfPublication
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Jour. Washington Acad. Sci. 17:147. 1927.
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Synonym
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Andropogon sorghum sudanensis Piper, Proc. Biol. Soc. Washington 28:33. 1915. Hoicus sorghum sudanensis Hitchc. Proc. Biol. Soc. Washington 29:128. 1916. Sorghum sudanense Stapf in Prain, Fl. Trop. Afr. 9:113. 1917. Holcus sudanensis Bailey, Gentes Herb. 1:132. 1923.
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Description
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A tall, more slender grass than S. vulgare, with large open panicles, the branches slender, naked below, loosely flowered; spikelets elliptic-lanceolate, usually awned. Similar to S. halepense, but annual.
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Distribution
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Cultivated in America as a hay and forage plant. Introduced from Africa.
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Common
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Sudan grass
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Specimen
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PANAMA: Las Sabanas, Killip 4324.
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