Herbs perennial, glabrous. Roots fibrous. Underground stems creeping. Sterile stems tufted, 1-2 cm. Flowering stems erect, slender, 3-8 mm. Leaf blade linear to linear-lanceolate, 3.2-8.5 mm, basal spur obtuse or ± 3-lobed, apex acuminate. Cyme corymbiform, dense, few flowered; bracts linear to linear-lanceolate. Flowers unequally 5-merous; pedicel 0.6-1.6 mm. Sepals ± free, lanceolate, 6.5-7.2 mm, base spurless, apex acute. Petals broadly lanceolate, 6-9 mm, apex acuminate and mucronate. Stamens 10; antesepalous ones 5-6 mm; antepetalous ones inserted 0.8-1.5 mm from petal base. Nectar scales obovate-spatulate, 0.4-0.6 mm, apex obtuse to emarginate. Carpels oblong, 7-8 mm, base connate for 0.5-1 mm. Follicles 13-15-seeded; placenta falcate, conspicuously stalked below middle. Seeds obovoid-oblong, ca. 0.8 mm, smooth. Fl. Oct, fr. Oct-Nov.
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