Sedum sarmentosum is a perennial herb, stems creeping, rooting at nodes, loosely mat-forming, stems pinkish in sunny habitats, flowering stems erect to 10 cm.
Leaves opposite or in whorls of 3, remote, fleshy, very yellow-pale green, flattened, narrowly egg-shaped to elliptic to 3 cm long.
Flowers yellow, 5-parted, petals to 0.8 cm long, wide-spreading, in sparsely-flowered, branched clusters, June.
Fruit dry capsules to 0.6 cm long.
Wetland status: NL.
Frequency in NYC: Very infrequent.
Habitat: Escaped from cultivation. Dry, open soil.