Page authors: Don Knoke, David Giblin
Phlox hendersonii
Henderson's phlox
WTU specimens
Other herbaria

Distribution: In Washington known from the Olympic Mountains and central Cascades east of the crest; Washington south to Oregon.

Habitat: Open, often rocky areas, mid- to high elevations in the mountains.

Flowers: July-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Taprooted, mat-forming perennial, glandular-hairy throughout.

Leaves:

Leaves crowded, often in threes, 5-10 mm. long and scarcely 1 mm. wide, the margins strongly thickened.

Flowers:

Flowers solitary and sessile at the ends of the stems, often 6-parted; calyx with flat, papery intervals between the herbaceous segments, strongly glandular-hairy, the 5 lobes firm; corolla white, the tube about 1 cm. long, barely longer than the calyx, the 5 lobes about 5 mm. long; filaments short and unequally attached in the corolla tube, style 3-parted, 1-2 mm. long; ovary superior

Fruits:

Capsule 3 celled, with one seed in each cell.

Accepted Name:
Phlox hendersonii (E.E. Nelson) Cronquist
Publication: Vasc. Pl. Pacific NW 4: 130. 1959.

Synonyms & Misapplications:
Phlox douglasii Hook. ssp. hendersonii (E.E. Nelson) Wherry
Additional Resources:

PNW Herbaria: Specimen records of Phlox hendersonii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Phlox hendersonii checklist entry.

E-Flora BC: Phlox hendersonii atlas page.

CalPhotos: Phlox hendersonii photos.

USDA Plants: Phlox hendersonii information.

10 photographs:
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