Plants annual, with slender taproot. Stems erect, simple or several from branched caudex, 15-30 cm, densely viscid-glandular; small axillary tufts of leaves usually absent. Leaves not marcescent, sessile; blade broadly linear to linear lanceolate to oblong, 12-30(-50) × 3-10(-15) mm, apex usually acute, densely viscid-glandular. Inflorescences dense, 3-30-flowered cymes; bracts foliaceous, glandular-pubescent. Pedicels erect, 2-10 mm, shorter than sepals, with dense, spreading, glandular pubescence. Flowers: sepals lanceolate, 6-11 mm, margins narrow, apex acute, pubescence dense, stout, shorter than sepal tips, viscid-glandular; petals ob-lanceolate, 8-10 mm, ca. equaling sepals, apex shortly 2-fid; stamens 5; styles 5. Capsules narrowly conic, straight, 10-15 mm, ca. 2 times as long as sepals; teeth 10, erect, margins convolute. Seeds chestnut brown, ca. 1.3 mm, tuberculate; testa not inflated. 2n = 38.
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