Sedum mexicanum


Bull. New York Bot. Gard. 1: 257. 1899,.

Treatment appears in FNA Volume 8. Treatment on page 216. Mentioned on page 201.

Herbs, perennial, tufted, glabrous. Stems decumbent, branched, not bearing rosettes. Leaves in whorls of 4(–5), spreading, sessile; blade bright green, not glaucous, linear-elliptic or linear-lanceolate, subterete, 8–20 × 1.9–3 mm, base spurred, not scarious, apex blunt. Flowering shoots erect, branched, 8.5–20 cm; leaf blades linear-elliptic or linear-lanceolate, base spurred; offsets not formed. Inflorescences cymes, 20–50+-flowered, 3-branched; branches scorpioid, 2-forked; bracts similar to leaves, smaller. Pedicels absent. Flowers 5-merous; sepals spreading, distinct basally, green, lanceolate, unequal, 3.3–4.7 × 0.9–1.6 mm, apex acute; petals widely spreading, distinct, golden yellow, elliptic, not carinate, 3.3–4.8 mm, apex acute; filaments yellowish; anthers yellow; nectar scales pale yellow, obovate- to spatulate-subquadrate. Carpels erect, distinct, yellowish green. 2n = 36.

Phenology: Flowering summer.
Habitat: Disturbed areas
Elevation: 0-100 m


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Introduced; Fla., Mexico, Central America, South America (Colombia), Europe (France, Spain), Asia (Japan, Taiwan).


Sedum mexicanum was described from a specimen collected in Mexico; its closest relatives are in eastern Asia and it may have originated there.

Selected References


Lower Taxa