Plants annual, viscid. Stems usually erect, simple or several-branched, from branched caudex, rarely bushy, 6-40 cm, glandular-pilose, hairs in mid-stem region equaling or longer than stem diam.; small axillary tufts of leaves absent Leaves sessile; blade 7-25 × 1-6 mm; basal rosette absent or poorly developed and withering when young; proximal with blade oblanceolate to spatulate; distal with blade linear-lanceolate or lanceolate to narrowly elliptic, apex usually acute, rarely obtuse, glandular-pilose. Inflorescences diffuse, elongate, usually with single dichotomy at or below mid stem, 3-18-flowered cymes, glandular-pubescent, flowers widely and racemosely spaced in axils of paired bracts along each branch; bracts herbaceous, lanceolate, glandular-pubescent. Pedicels sharply curved just below capsule, 2-10(-15) mm, shorter than to 2 times as long as capsule, with dense, patent, glandular pubescence. Flowers: sepals lanceolate, 3-5 mm, apex acute, glandular-hispid, hairs not extending beyond sepal tips, inner sepals with broad margins, outer sepals with very narrow margins; petals oblanceolate, 2-3 mm, shorter than sepals, apex 2-fid ca. 4 of length; stamens 5; styles 5. Capsules narrowly cylindric, curved, 7-8.5 mm, ca. 2 times as long as sepals; teeth 10, erect, margins convolute. Seeds light brown, 0.4-0.7 mm diam., tuberculate; testa not inflated.
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