Saxifraga oppositifolia ssp. oppositifolia
purple mountain saxifrage, purple saxifrage, twinflowered saxifrage

Distribution: Alaska to Oregon east to Idaho, Montana and Wyoming; in the Olympics and Cascades in Washington and the Wallowas in Oregon

Habitat: Alpine mountain slopes

Flowers: June - Early August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Apomixis, bees, flies


Nearly glabrous, tufted, mat-forming perennial, the mats up to 2 dm. broad and 4 cm. high, often purplish-tinged throughout.


Leaves closely crowded on the numerous sterile shoots, opposite, oblong to obovate, 2.5 -5 mm. long, sessile, entire, with coarse marginal hairs; leaves fewer on the upright flowering stems.


Flowering stems simple, 1-4 cm. long, 1-flowered; calyx cup-shaped, divided + its length, the 5 lobes oblong-oval, 2.5-3.5 mm. long, fleshy, erect; petals 5, purple, erect, 7-9 mm. long, narrowly obovate to ovate-oblong; stamens 10, twice as long as the calyx lobes.


Ovary about 1/5 inferior; capsule 6-8 mm. long; carpels 2.

Accepted Name:
Saxifraga oppositifolia L. ssp. oppositifolia
Publication: Sp. Pl. 1: 402. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Saxifraga oppositifolia ssp. oppositifolia in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Saxifraga oppositifolia ssp. oppositifolia checklist entry

OregonFlora: Saxifraga oppositifolia ssp. oppositifolia information

E-Flora BC: Saxifraga oppositifolia ssp. oppositifolia atlas page

CalPhotos: Saxifraga oppositifolia ssp. oppositifolia photos

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