Sedum oreganum
Oregon stonecrop

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California.

Habitat: Rock ledges, talus slopes and gravelly ridges from low elevations to the subalpine.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Glabrous, glaucous perennials from strong rhizomes, with several sterile shoots and basal rosettes, the flowering stems 5-20 cm. tall.


Leaves alternate, obovate to spatulate-oblanceolate, 8-20 mm. long and 3-7 mm. wide, flattened but very succulent, usually overlapping on the stems.


Flowers crowded and sub-sessile in several-rayed cymes; calyx 5-lobed nearly to the base, the lobes lanceolate, 3-4 mm. long; petals 5, yellow, narrowly lanceolate and long-acuminate, 10-13 mm. long, united at the base for 1.5-3 mm.; stamens 10, shorter than the petals, 5 attached to the base of the petals.


Follicles 5, erect, nearly distinct, each with a small gland at the base, and tipped by the erect, tapered style.

Accepted Name:
Sedum oreganum Nutt.
Publication: Fl. N. Amer. 1: 559. 1840.

Synonyms & Misapplications:
Gormania oregana (Nutt.) Britton
Sedum oreganum Nutt. ssp. oreganum [KZ99]
Sedum oreganum Nutt. ssp. tenue R.T. Clausen
Sedum oreganum Nutt. var. oreganum [FNA8]
Sedum oreganum Nutt. var. tenue (R.T. Clausen) H. Ohba [FNA8]
Additional Resources:

PNW Herbaria: Specimen records of Sedum oreganum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sedum oreganum checklist entry.

OregonFlora: Sedum oreganum information.

E-Flora BC: Sedum oreganum atlas page.

CalPhotos: Sedum oreganum photos.

USDA Plants: Sedum oreganum information.

27 photographs:
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