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120. Schismus P. Beauvois, Ess. Agrostogr. 73. 1812.
齿稃草属 chi fu cao shu
Authors: Zhen-lan Wu & Sylvia M. Phillips
Annuals or short-lived perennials, dwarf, densely tufted. Leaf blades linear, flat or involute; ligule a line of hairs. Inflorescence a contracted or spikelike panicle. Spikelets with several florets, laterally compressed, falling entire, or upper florets disarticulating separately and then lower florets, glumes, and pedicel falling tardily together; glumes as long as spikelet or almost so, subequal, membranous with hyaline margins, lanceolate, prominently 5–7-veined, acute to acuminate; lemmas ovate, rounded on back, membranous, 7–9-veined, pilose on back or margins, emarginate to 2-lobed, mucronate or not; palea equaling or subequaling lemma, hyaline. Lodicules 2, ciliate.
Five species: S Africa, C and SW Asia, Mediterranean region; introduced in America and Australia; two species in China.
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Apical lobes of lowest lemma narrowly triangular, clearly longer than wide; palea reaching slightly beyond base of lemma sinus, never exceeding middle of lobes. |
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1 S. arabicus |
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Apical lobes of lowest lemma broadly triangular, not longer than wide; palea reaching at least middle of lobes, often as long as or longer than lemma. |
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2 S. barbatus |
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Lower Taxa
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