Herbs annual, globose, 10-30 cm tall. Stem branched from base; branches densely numerous, densely pubescent mixed with sinuate, long hairs. Leaves spreading, gray-green, semiterete, 1-1.5 cm × 1-2 mm, densely pubescent mixed with sinuate, long hairs, base decurrent, apex obtuse. Inflorescence spikelike; bracts narrowly ovate, longer than bractlets, densely pubescent, apex obtuse; bractlets ovate, subequaling perianth. Perianth (including wings) 10-15 mm in diam. in fruit; segments lanceolate, abaxially winged from proximal middle part in fruit, pubescent; portion of segment above wing connivent with others into a cone, lanceolate, pubescent, apex acuminate; wings purple-red or dark brown, 3 semiorbicular and larger, 2 narrower. Anther appendage vesicular, minute, 1/10-1/8 as long as anther. Stigmas subulate, 3-4 × as long as style. Seed horizontal. Fl. Jul-Aug, fr. Aug-Sep.
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