Description from Flora of China
Sedum taiwanianum S. S. Ying.
Herbs perennial. Stems 9-20 cm, base prostrate and rooting at nodes, apex branched. Leaves alternate; leaf blade spatulate, 6-10 × 3-5 mm, base rounded and spurred, apex obtuse. Cyme branched, corymbiform. Flowers sessile, unequally 5-merous. Sepals oblanceolate, subspatulate, or linear-lanceolate, unequal, ca. 3 × 1 mm, base slightly narrowed, apex obtuse. Petals linear-lanceolate, equal, ca. 5 × 1.5 mm, abaxially keeled, apex subacuminate. Stamens 10; filaments ca. 4 mm; anthers yellow, ca. 0.8 × 0.5 mm, base cordate, apex obtuse. Nectar scales transversely broadened, apex emarginate. Carpels oblong, ca. 2 × 1.5 mm, base connate, apically attenuate and divergent. Follicles stellately divergent, many seeded. Seeds brownish yellow, oblong, ca. 0.8 × 0.3 mm, minutely mammillate. Fl. Jul, fr. Aug-Oct.
* Rocks in mountainous areas; 2500-3900 m. Taiwan.