Page authors: Don Knoke, David Giblin
Rosa woodsii
pearhip rose

Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Great Plains and Great Lakes region.

Habitat: Valleys and hillsides at low elevations to forest openings at middle elevations in the mountains.

Flowers: May-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, beetles


Shrub 1-2 m. tall, more or less prickly or nearly unarmed, usually with well-developed, straight, slim, infrastipular prickles.


Leaves alternate, deciduous, odd-pinnate with 5-9 leaflets; leaflets elliptic or obovate, wedge-shaped toward the base, up to 5 cm. long and 2.5 cm. wide, sharply serrate.


Flowers fairly small, several in flat-topped inflorescences at the branch tips; sepals 5, 1-2 cm. long and 2-3.5 mm. wide at the base, persistent; petals 1.5-2.5 cm. long, light pink to deep rose; stamens numerous, and pistils many.


Hips globose to ellipsoid, 6-12 mm. long, red.

Accepted Name:
Rosa woodsii Lindl.
Publication: Ros. Monogr. 21. 1820.

Synonyms & Misapplications:
Rosa arizonica Rydb.
Rosa arizonica Rydb. var. granulifera (Rydb.) Kearney & Peebles
Rosa covillei Greene
Rosa lapwaiensis H. St. John
Rosa pecosensis Cockerell
Rosa ultramontana (S. Watson) A. Heller
Rosa woodsii Lindl. ssp. ultramontana (S. Watson) Roy L. Taylor & MacBryde
Rosa woodsii Lindl. var. arizonica (Rydb.) W.C. Martin & C.R. Hutchins
Rosa woodsii Lindl. var. granulifera (Rydb.) W.C. Martin & C.R. Hutchins
Rosa woodsii Lindl. var. ultramontana (S. Watson) Jeps. [HC]
Rosa woodsii Lindl. var. woodsii [HC]
Additional Resources:

PNW Herbaria: Specimen records of Rosa woodsii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Rosa woodsii checklist entry.

OregonFlora: Rosa woodsii information.

E-Flora BC: Rosa woodsii atlas page.

CalPhotos: Rosa woodsii photos.

USDA Plants: Rosa woodsii information.

78 photographs:
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