40. Sedum oreganum Nuttall in J. Torrey and A. Gray, Fl. N. Amer. 1: 559. 1840.
Gormania oregana (Nuttall) Britton
Herbs, perennial, multi-stemmed from base, glabrous. Stems rootstocks and decumbent branches, (stout), bearing terminal rosettes. Leaves alternate, spreading, sessile; blade lustrous light green, not glaucous, spatulate or cuneate, laminar (thickest near apex), 7-12 × 4.4-9 mm, base short-spurred, not scarious, apex broadly rounded or truncate. Flowering shoots erect, simple or branched, 8-13 cm; leaf blades spatulate or cuneate, base short-spurred; offsets not formed. Inflorescences dense corymbs, 5-10-flowered, 3-branched; branches spreading to erect, primary branch dichotomously forked; bracts spatulate or oblanceolate, 5-8 mm, base spurred. Pedicels absent or 0.4-3+ mm. Flowers 5-merous; sepals erect, connate basally, green, ovate-lanceolate, equal, ca. 3.5 × 2 mm, apex acuminate or acute; petals erect or erect basally and divergent distally, connate basally, yellow, narrowly lanceolate, carinate, ca. 10.5 mm, apex aristate; filaments yellowish or greenish; anthers yellow; nectar scales yellow, subquadrate to spatulate or oblong. Carpels erect in fruit, connate basally, light brown or yellow. 2n = 24.
Varieties 2 (2 in the flora): w North America.