Distribution: Occurring west of the Cascades crest, where endemic to the Olympic Mountains of Washington.
Habitat: Talus slopes and rocky places.
Flowers: Aug.-Sept.
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, butterflies, flies, beetles
Perennial from a well-developed rhizome, the stem 0.5-2 dm. tall; herbage spider-webby at first, becoming nearly glabrous.
Basal leaves large, petiolate, sometimes tufted on separate short shoots, the blade broadly oblanceolate to sub-rotund, up to 7 cm. long a 4 cm. wide; cauline leaves few, usually strongly reduced; leaves often with purplish margins.
Heads solitary, nodding, the involucre 11-17 mm. high, the disk 1.5-2.5 cm. wide; involucre bracts in a single series, equal, herbaceous, the tips pale; ray flowers yellow, pistillate and fertile, the rays 10-15 mm. long; disk flowers yellow, perfect and fertile; pappus of white capillary bristles.
Achene sub-terete
PNW Herbaria: Specimen records of Senecio neowebsteri in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Senecio neowebsteri checklist entry
OregonFlora: Senecio neowebsteri information
E-Flora BC: Senecio neowebsteri atlas page
CalPhotos: Senecio neowebsteri photos