Umbilicus lievenii Ledeb.
Perennial glabrous herb. Root slender, branched, fascicular. Caudex robust, with rosulate scaly leaves. Scaly leaves rosulate, brown, sessile, triangular to triangular-ovate. Flowering stem 1-4, 20-39 cm high, erect, simple. Leaves sessile, simple, alternate, linear, obtuse, entire, 4-25 x 2-3 mm. Inflorescence corymbose, many flowered, loosely arranged, with branches elongating in fruits. Flowers pedicellate, pedicel 1-3 mm long, 5-6 merous, bisexual. Sepals lanceolate or oblong, fleshy, obtuse, 3-5 x 1-1.5 mm. Corolla gamopetalous, lobes connate nearly to the middle, campanulate, pink, drying golden yellow, lanceolate, acute, 8.5-13.5 x 1.5-3 mm. Stamens 10-12, in two whorls, antesepalous, 3-7 mm and epipetalous, c. 3-6 mm, shorter than petals, filaments adnate to the corolla-tube. Nectar scales square. Follicles 5-6, erect, 7.5-13 x 0.8-1.3 mm. Seeds 18-30 per fruit, oblong, brown, with longitudinal striae, 0.8-1 x 0.2-0.3 mm, ± winged at both ends.
Fl. Per.: April-June.
Syntypes: In Sibiria uralensi ad lacum Indersk. (Claus, Tauscher ex Fisch.) et altaica circa Buchtarminsk. inque des- barbabensi pr. Loktewsk. et Soongoro-Kirghisico. (LE).
Grows from 1500-3600 m on rocky hilly slopes; Distribution: Pakistan, Russia, Mongolia, Kazakstan, China (Xinjiang).