Page author: David Giblin
Sanguisorba stipulata
Sitka burnet
WTU specimens
Other herbaria

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to Oregon, east to Idaho in the west, and Illimois to Maine, south to Alabama in the east.

Habitat: Wet places at mid-elevations in the mountains.

Flowers: July-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Glabrous, rhizomatous perennial with mostly basal leaves, the flowering stems simple, or branched above, 2.5-10 dm. tall.

Leaves:

Basal leaves with blades 10-30 cm. long, the 9-17 leaflets ovate-oblong, 2-6 cm. long, cordate-based, coarsely serrate; cauline leaves 1-2, reduced, with leaf-like stipules.

Flowers:

Inflorescence of cylindric, dense spikes on long peduncles, 3-8 cm. long and 10-18 m. thick, each flower subtended by a papery, brownish-pubescent bract and 2 lateral bractlets; calyx greenish-white to pinkish tinged, urn-shaped, the 4 lobes oval, 2.5 mm. long; petals none; stamens 4, the filaments flattened, 3 times as long as the sepals, white to mauve.

Fruits:

Fruiting calyx lightly winged on the 4 angles.

Accepted Name:
Sanguisorba stipulata Raf.
Publication: Herb. Raf. 47. 1833.

Synonyms & Misapplications:
Sanguisorba canadensis L., misapplied
Sanguisorba canadensis L. ssp. latifolia (Hook.) Calder & Roy L. Taylor
Sanguisorba canadensis L. var. latifolia Hook.
Sanguisorba canadensis L. var. sitchensis (C.A. Mey.) Koidz.
Sanguisorba sitchensis C.A. Mey. [HC]
Additional Resources:

PNW Herbaria: Specimen records of Sanguisorba stipulata in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Sanguisorba stipulata checklist entry.

E-Flora BC: Sanguisorba stipulata atlas page.

CalPhotos: Sanguisorba stipulata photos.

USDA Plants: Sanguisorba stipulata information.

14 photographs:
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