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

32. Sedum sarmentosum Bunge, Enum. Pl. China Bor. 30. 1833.

Orpin sarmenteux

Herbs, perennial, mat-forming, glabrous. Stems creeping and ascending, branched, not bearing rosettes. Leaves in whorls of 3, spreading, sessile; blade pale yellowish green, not glaucous, narrowly rhombic-elliptic to widely lanceolate, subterete, 10-25 × 4-6 mm, base spurred, not scarious, apex subacute. Flowering shoots creeping or ascending, simple, 10-25 cm; leaf blades narrowly oblanceolate-elliptic, base short-spurred; offsets not formed. Inflorescences dense cymes or corymbs, 8-40-flowered, (1-)2-4-branched; branches spreading to widely ascending, sometimes forked; bracts similar to leaves, smaller. Pedicels absent or to 0.5 mm. Flowers 5-merous; sepals spreading, distinct basally, green, widely lanceolate to oblong, often unequal, 3.5-5 × 0.8-1.5 mm, apex acute or obtuse; petals spreading, slightly connate, yellowish, lanceolate to oblong, not carinate, 5-8 mm, apex long-mucronate; filaments yellow; anthers reddish; nectar scales orange, rectangular-spatulate. Carpels stellately patent in fruit, distinct, yellow-green. 2n = ca. 72.

Flowering spring. Xeric rock outcrops; 0-500 m; introduced; Ont., Que.; Ala., Ark., Conn., D.C., Fla., Ga., Ill., Ind., Iowa, Ky., La., Maine, Md., Mass., Mich., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va., Wis.; e Asia (China); introduced also in c, e Europe.

Sedum sarmentosum has flowering shoots that are usually reddish. It is naturalized in North America, and in central and eastern Europe.


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