Page author: Don Knoke
Grindelia integrifolia
Puget Sound gumplant, Puget Sound gumweed, Willamette Valley gumweed
WTU specimens
Other herbaria

Distribution: British Columbia to northern California, along the coast, and in the Puget Trough as far south as the head of Willamette Valley.

Habitat: Salt marshes and rocky shores along the coast, and various non-maritime habitats in the Puget Trough.

Flowers: June - October

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial from a taproot and a branched, short, woody base, 1.5-8 dm. tall, usually covered with long, soft, curved hairs.

Leaves:

Leaves toothed or entire, the basal oblanceolate, up to 40 cm. long and 4 cm. wide, the cauline becoming sessile and clasping.

Flowers:

Heads usually several in a flat-topped inflorescence, hemispheric, the disk 1-3 cm. wide; involucral bracts somewhat glutinous, the long, slender green tips loose or spreading, not reflexed; rays 10-35, yellow, 8-20 mm. long; pappus of 2 or more awns.

Accepted Name:
Grindelia integrifolia DC.
Publication: Prodr. 5: 315. 1836. 1836.

Synonyms:
Grindelia integrifolia DC. var. integrifolia [HC]
Additional Resources:

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

WA Flora Checklist: Grindelia integrifolia checklist entry.

E-Flora BC: Grindelia integrifolia atlas page.

CalPhotos: Grindelia integrifolia photos.

USDA Plants: Grindelia integrifolia information.

35 photographs:
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