All Floras      Advanced Search
FNA Vol. 8 Page 202, 221 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 8 | Crassulaceae | Sedum

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.

1 Nectar scales subquadrate to spatulate, 0.4-0.5 mm; carpels 4.7-5.1 mm.   40a Sedum oreganum var. oreganum
+ Nectar scales oblong, 0.5 mm; carpels 3.7-4.5 mm.   40b Sedum oreganum var. tenue

Lower Taxa


Related Objects Image Gallery 
  • Distribution Map
  • Map
  • Illustration
  • Illustration

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |