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

41. Sedum spathulifolium Hooker, Fl. Bor.-Amer. 1: 227. 1832.

Herbs, perennial, mat-forming, glabrous. Stems rhizomatous, procumbent or creeping, much-branched, bearing terminal rosettes. Leaves alternate, spreading, petiolate; blade green, often glaucous or pruinose, spatulate, terete to laminar, 7-19 × 4.5-10 mm, base not spurred, not scarious, apex rounded or truncate, submucronate, (surfaces papillose marginally). Flowering shoots erect, simple, 3-14 cm; leaf blades spatulate-oblong or elliptic-oblong, base not spurred; offsets not formed. Inflorescences cymes, ca. 30-flowered, ca. 3-branched; branches not recurved, forked; bracts oblong-spatulate or linear, ca. 3 cm, base not spurred. Pedicels 2-8 mm. Flowers 5-merous; sepals spreading to erect, connate basally, green or yellow-green, glaucous or pruinose, lanceolate, linear-lanceolate, oblong-ovate, or obovate, equal, ca. 2.5 × 1.5 mm, apex acute or obtuse; petals widely spreading from short, erect base, distinct or slightly connate basally, yellow, linear to oblanceolate, not carinate, 4.5-9 mm, apex acute; filaments yellow; anthers yellow; nectar scales yellow, reniform or nearly square. Carpels divergent in fruit, connate basally, brown. 2n = 30.

Varieties 2 (2 in the flora): w North America.

The mature carpels of Sedum spathulifolium have five ribs and prominent lips along the adaxial suture. The flowers are sweetly fragrant.

1 Primary rosettes 2.5-3.7 cm diam.; leaf blades not pruinose, glaucous or not, 1.4-2.1 mm thick; flowers 1.2-1.6 cm diam.   41a Sedum spathulifolium var. spathulifolium
+ Primary rosettes 1.5-2.1 cm diam.; leaf blades pruinose, not glaucous, 2.1-2.5 mm thick; flowers 1-1.2 cm diam.   41b Sedum spathulifolium var. pruinosum

Lower Taxa


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