Vascular Plants - Saxifragaceae - Saxifraga:
Saxifraga mertensiana
Page Author: David Giblin
wood saxifrage, woodland saxifrage, Merten's saxifrage 
Blooms: April-August
Habit: herb
Duration: perennial
Origin: Native
Conservation Status: Abundant; of no concern.

Distribution: Distributed on both sides of the Cascades in Washington; Alaska south to California, east to Idaho and Montana.
Habitat: Wet ledges and gravelly streambanks, sea level to subalpine.
Species Description:

General: Usually soft-hairy, succulent perennial from short, thick rhizomes, tending to form large clumps, the flowering stems 1.5-4 dm. tall.
Leaves: Leaves basal, with petioles up to 4 times as long as the blades, with well-developed, membranous, sheathing stipules, the basal ones usually with bulblets in their axils; leaf blades reniform to orbicular, 3-10 cm. broad and nearly as long, coarsely lobed, the lobes toothed.
Flowers: Inflorescence an open, many-flowered panicle, usually with at least some of the flowers replaced with pinkish bulblets; calyx cleft nearly to the base, the 5 lobes reflexed, lanceolate, sparsely glandular-pubescent; petals 5, white, 3-5 mm. long, oblong-elliptic, 3-5 mm. long, narrowed abruptly to the base; stamens 10, filaments white, somewhat petaloid, anthers pink.
Fruits: Ovary mostly superior; carpels 2 or 3; capsule about 5 mm. long.
Accepted Name:
Saxifraga mertensiana Bong.
Synonyms:
Saxifraga mertensiana Bong. var. eastwoodiae (Small) Engl. & Irmsch.

Treated in Flora of the PNW as:
Saxifraga mertensiana
Additional Resources:

PNW Herbaria Specimens: View list of all Saxifraga mertensiana specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Saxifraga mertensiana specimens in the WTU Herbarium database.

Washington Flora Checklist: Saxifraga mertensiana treatment.

E-Flora BC: Saxifraga mertensiana atlas page.

CalPhotos: Saxifraga mertensiana images.

USDA Plants Database: Saxifraga mertensiana.
Additional photographs of Saxifraga mertensiana:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

Ben Legler, 2004

H. Tim Gladwin, 1983

H. Tim Gladwin, 1983

H. Tim Gladwin, 1983

G. D. Carr, 2007

G. D. Carr, 2002

G. D. Carr, 2002

G. D. Carr, 2002

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

G. D. Carr, 2007

Don Knoke, 2009

Ray Izumi, 2010

Ray Izumi, 2010

Ray Izumi, 2010

Ben Legler, 2011

Ben Legler, 2011

Ben Legler, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Ron Bockelman, 2011

Susan McDougall, 2015

Susan McDougall, 2015
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