Herbs perennial. Roots fibrous. Sterile stems 0.5-1.2 cm. Flowering stems simple, arched, 5-10 cm. Proximal stem leaves alternate, scalelike; leaf blade narrowly suboblong, 3-7 × 1-1.6 mm, gradually larger toward stem apex, veins brown spotted when dry, basal spur truncate-obtuse, apex spinose-cuspidate. Cyme 5-12-flowered. Flowers unequally 5-merous; pedicel 1-3 mm. Sepals oblong-lanceolate to lanceolate, 3.5-4 × 0.7-0.9 mm, veins 3, brown spotted, base spurred, apex spinose-acuminate. Petals yellow with brown midvein, linear to sublinear-oblong, 5.8-6 × 0.8-1 mm, base subconnate to ± free, apex shortly mucronate. Stamens 10; antesepalous ones 3.5-4 mm; antepetalous ones 2-2.2 mm, inserted 0.8-1.2 mm from petal base. Nectar scales linear or quadrangular, 0.3-0.4 mm, apex rounded to obtuse. Carpels erect, narrowly ovoid, ca. 5 mm, base connate for 1-2 mm; ovules 6-10. Styles 1.7-1.8 mm. Follicles suberect, 6-8-seeded; placenta sublunulate. Seeds ovoid, 0.5-0.6 mm, smooth.
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