Difference between revisions of "Sedum album"
Sp. Pl. 1: 432. 1753,.
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Revision as of 20:29, 24 September 2019
Herbs, perennial, laxly cespitose, minutely puberulent, papillose. Stems creeping and short-ascending, much-branched, (densely glandular-pubescent basally), not bearing rosettes. Leaves alternate, patent or appressed, sessile; blade green, often reddish, not glaucous, linear to ovate, subterete but adaxial surface somewhat flattened, 4–20(–25) × 1–20 mm, base scarcely spurred, not scarious, apex obtuse or rounded, (surfaces glabrous or sparsely hairy). Flowering shoots erect, simple or branched, 5–18(–30) cm, (glabrous or sparsely hairy); leaf blades linear to ovate, base scarcely spurred; offsets not formed. Inflorescences paniculate cymes, 15–50+-flowered, 3–5-branched; branches reflexed, forked; bracts similar to leaves, smaller. Pedicels 3–5 mm. Flowers 5-merous; sepals erect, connate basally, green, ovate to triangular, equal, 0.5–1.5 × 0.2–0.5 mm, apex acute, (glabrous or sparsely and minutely puberulent); petals spreading, distinct, white or rarely pink, lanceolate, not carinate, 2–4.5 mm, apex subacute; filaments white; anthers red; nectar scales white or yellow, spatulate. Carpels erect in fruit, distinct, whitish. 2n = 34, 51, 68, 85, 102, 136.
Phenology: Flowering summer–fall.
Habitat: Calcareous rock ledges, gravelly flat areas, ruderal areas
Elevation: 60-1400 m
Distribution
B.C., N.B., Ont., Que., Calif., Ind., Maine, Mich., N.J., N.Y., Ohio, Oreg., Pa., Utah, Wash., W.Va., Europe.
Discussion
Sedum album was first reported as naturalized in the United States in 1934.
Selected References
None.