Herbs, monocarpic. Taproot napiform, ca. 2 × 1.2 cm Leaves all basal; petiole broadly strip-form, 2-3 cm, near base ampliate to membranous sheath, glabrous or sparsely fulvous setose; blade oblanceolate, 3-5 × 0.7-1 cm, both surfaces fulvous setose, base attenuate to petiole, margin entire or slightly undulate, apex obtuse or rounded. Scape 30-40 cm tall, apically slender, gradually thickened toward base, fulvous and usually reflexed setose, densely so beneath flowers. Flowers solitary on basal scapes. Petals 6, indigo, basally black-purple, obovate to obovate-oblong, 4-4.5 × 2-2.5 cm, margin slightly undulate, apex truncate. Filaments filiform, ca. 1.5 cm; anthers oblong, ca. 1.5 mm. Ovary ovoid, ca. 1 cm, densely rubiginous setose, setae near base several inversely shortly branched; styles terete, ca. 4 × 2 mm; stigmas 4-6-lobed, lobes decurrent. Fruit not seen. Fl. Jul-Sep.
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