Herbs perennial, glabrous. Sterile stems 0.6-2 cm. Flowering stems erect, slender, 1.4-6 cm. Leaves alternate, sessile, triangular-linear, 3.6-4.8 × 1.3-1.8 mm, minutely papillate on margin, basal spur 3-lobed, apex acuminate. Cyme corymbiform, dense, 0.8-2.3 cm; bracts triangular-linear. Flowers unequally 5-merous, small; pedicel 0.8-1.3 mm. Sepals ovate-linear, 3.5-5.6 mm, base obtusely spurred, margin entire and minutely mammillate, apex acuminate. Petals ovate-lanceolate, 5.6-7.3 mm, basally connate for 0.4-0.5 mm, basal claw less than 3 mm, apex acute and mucronate. Stamens 10; antesepalous ones 4-5.7 mm; antepetalous ones 2.1-2.6 mm, inserted 1.3-2 mm from petal base. Nectar scales clawed, subquadrangular, 0.4-0.6 mm, apex deeply emarginate. Carpels 4.2-4.6 mm, base connate for 2.3-2.5 mm. Follicles obliquely divergent, many seeded. Fl. Aug, fr. Aug.
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