Umbilicus turkestanicus Regel & Winkler, Trudy Imp. S.-Peterburgsk. Bot. Sada 6(2): 301. 1879; Cotyledon turkestanica (Regel & Winkler) O. Fedtschenko & B. Fedtschenko.

Rootstock thick, with numerous fibrous roots. Rosette 1.5-2 cm in diam.; rosette leaves lanceolate to oblong-lanceolate, 10-20 × ca. 5 mm, densely glandular hairy, apex acuminate. Flowering stem axillary from outer rosette leaves, ascending, 13-20 cm, glabrous; stem leaves remote, oblong to linear, 4-7 × 1-2 mm. Inflorescences cymose-paniculate, with subscorpioid, secund branches. Flowers 5-merous; pedicel shorter than flowers. Sepals lanceolate to elliptic-lanceolate, ca. 2.5 mm, apex acute. Corolla yellow or white with purple striations, campanulate, ca. 5 mm; lobes erect, elliptic-lanceolate. Stamens 10, equaling corolla. Follicles narrowly lanceolate, ca. 5.5 mm, apex acuminate and beaked; beak ca. 1.5 mm. Fl. Jun-Jul.

Eggli (Bradleya 6 (Suppl.): 75. 1988) did not consider this species to be separable from Rosularia platyphylla.

Slopes, deserts. N Xinjiang (Manas Xian) [Kazakhstan, Kyrgyzstan].