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.
2
n
= 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.
