Sedum selskianum Regel & Maack, Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7, 4(4): 66. 1861; Aizopsis selskiana (Regel & Maack) Grulich; S. aizoon Linnaeus subsp. selskianum (Regel & Maack) Fröderström.

Herbs perennial, densely grayish pubescent. Stems numerous, simple or branched, erect or ascending, 25-40 cm, woody. Leaves alternate; leaf blade linear-lanceolate, 3-6 × 0.5-1 cm, base connate, margin serrate in apical 1/2. Inflorescence corymbiform, 4-8 cm in diam., many flowered. Flowers unequally 5-merous. Sepals linear-lanceolate, 2-4 × ca. 1 mm, base subconnate, apex obtuse and acuminate. Petals golden-yellow, lanceolate, 4-7 mm, apex acuminate. Stamens 10, slightly shorter than petals; antepetalous ones inserted near petal base; anthers orange. Nectar scales transversely wide to subquadrangular, ca. 0.3 mm. Carpels horizontally spreading, narrowly oblong, 5-6 mm; apical beak ca. 1 mm. Seeds brown, oblong, ca. 0.8 mm. Fl. Jul-Aug, fr. Sep.

Rocks on slopes. E Heilongjiang, E Jilin, Liaoning [Korea, Russia].