Herbs annual. Stems erect, branched above, 30-50 cm tall, spreading or subappressed gray pilose. Basal leaves forming a rosette; leaf blade oblong, 2-7 cm × 3-8 mm, spreading or slightly spreading gray hispid, hairs discoid at base, base attenuate, margin entire, apex obtuse; stem leaves sessile, shorter, narrower. Inflorescences widely spaced, strongly elongated in fruit; bracts linear, longer than fruit on lower part of inflorescences. Pedicel erect, elongated in fruit, 3-5 mm on lower part of inflorescence, stout above, thin at base; pubescent. Calyx lobes erect at anthesis, often spreading in fruit, linear, 2-3 mm, to 5 mm in fruit. Corolla light blue, campanulate, 3-3.5 mm; throat white or light yellow, appendages trapeziform; limb 2-4 mm wide. Style not surpassing upper prickles of nutlets. Nutlets ovoid, 3-3.5 mm, adaxially tuberculate; disc oblong-lanceolate, finely tuberculate; marginal glochids in 2 rows; inner glochids yellow, 1.5-2 mm, bases expanded and confluent into a narrow wing; outer glochids 0.5-1 mm, usually only on lower part. Fl. and fr. Jun-Sep.
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