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FNA | Family List | FNA Vol. 8 | Crassulaceae | Sedum

22. Sedum album Linnaeus, Sp. Pl. 1: 432. 1753.

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.

Flowering summer-fall. Calcareous rock ledges, gravelly flat areas, ruderal areas; 60-1400 m; introduced; B.C., N.B., Ont., Que.; Calif., Ind., Maine, Mich., N.J., N.Y., Ohio, Oreg., Pa., Utah, Wash., W.Va.; Europe.

Sedum album was first reported as naturalized in the United States in 1934.


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