Page author: David Giblin
Rhodiola integrifolia
king's crown, midsummer-men, roseroot
WTU specimens
Other herbaria

Distribution: In the Cascades and northeastern corner of Washington; Alaska to south to California, east to Colorado.

Habitat: Cliffs, talus and ridges, subalpine to alpine, generally where moist in early summer.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Glabrous and somewhat glaucous perennial from a thick root and short, fleshy rhizomes, the stems clustered, erect, 3-15 cm. tall.

Leaves:

Leaves alternate, all cauline, persistent, closely crowded and many times as long as the internode, usually oblanceolate or obovate, flattened but fleshy, 7-20 mm. long and up to 1 cm. broad, entire to serrulate.

Flowers:

Flowers crowded in small, head-like cymes, purple to greenish-purple, mostly imperfect and the plants dioecious; sepals 5, oblong-lanceolate, 1-2 mm. long; petals 5, distinct, fleshy, oblong, 2-3 mm. long; stamens 10, equaling the petals, lacking in the pistillate flowers.

Fruits:

Carpels 5, erect, distinct, the styles very short, divergent.

Accepted Name:
Rhodiola integrifolia Raf.
Publication: Atlantic J. 1: 146. 1832.

Synonyms & Misapplications:
Sedum integrifolium (Raf.) A. Nelson
Infraspecies:
ssp. integrifolia – king's crown, midsummer-men, roseroot    Alaska to California, east to Colorado
Additional Resources:

PNW Herbaria: Specimen records of Rhodiola integrifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Rhodiola integrifolia checklist entry.

E-Flora BC: Rhodiola integrifolia atlas page.

CalPhotos: Rhodiola integrifolia photos.

USDA Plants: Rhodiola integrifolia information.

17 photographs:
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