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Sedum kamtschaticum Fischer & C. A. Meyer, Index Sem. Hort. Petrop. 7: 54. 1840; Aizopsis kamtschatica (Fischer) Grulich; Sedum aizoon Linnaeus subsp. kamtschaticum (Fischer) Fröderström.

Herbs perennial. Rootstock branched, thickened, woody. Stems mostly simple, ascending, 15-40 cm, sometimes papillate. Leaves alternate or opposite, rarely 3-verticillate; leaf blade oblanceolate, spatulate, or obovate, 2.5-7 × 0.5-3 cm, base narrowly cuneate, margin apically sparsely serrate to crenate, apex obtuse-rounded. Inflorescence terminal. Flowers unequally 5-merous. Sepals lanceolate, 3-4 mm, base broad, apex obtuse. Petals yellow, lanceolate, 6-8 mm, abaxially keeled, apex acuminate and mucronate. Stamens 10, slightly shorter than petals; anthers orange. Nectar scales subquadrangular, minute. Carpels erect, equaling or slightly shorter than petals, adaxially gibbous, base connate for ca. 2 mm. Follicles stellately horizontal. Seeds brown, obovoid, minute. Fl. Jun-Jul, fr. Aug-Sep.

Rocky slopes; 600-1800 m. Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol [Japan, Korea, Russia].