Page authors: Don Knoke, David Giblin
Packera paupercula
Canadian butterweed, balsam groundsel
WTU specimens
Other herbaria

Distribution: Occurring east of the Cascades in Washington; British Columbia south to Oregon and New Mexico, east to Labrador and Virginia.

Habitat: Meadows, moist cilffs and woods, foothills to moderate elevations in the mountains.

Flowers: May-October

Origin: Native

Conservation Status: Not of concern

Description:
General:

Fibrous-rooted perennial from a short, simple crown, the stem 1-5 dm. tall, lightly woolly when young, soon glabrate except for the leaf axils.

Leaves:

Basal leaves long-petiolate, the blade oblanceolate to elliptic, sub-entire to serrate with rounded teeth; cauline leave alternate, more or less pinnatifid, the lower petiolate and as large as the basal, reduced upward and becoming sessile, all thin and not succulent.

Flowers:

Heads several, the disk 5-12 mm. wide; involucre 6-9 mm. high; rays yellow, 5-10 mm. long.

Fruits:

Achene

Accepted Name:
Packera paupercula (Michx.) Á. Löve & D. Löve
Publication: Bot. Not. 128: 520. 1976. 1976.

Synonyms & Misapplications:
Senecio pauperculus Michx. [HC]
Senecio pauperculus Michx. var. thompsoniensis (Greenm.) B. Boivin [HC]
Additional Resources:

PNW Herbaria: Specimen records of Packera paupercula in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Packera paupercula checklist entry.

E-Flora BC: Packera paupercula atlas page.

CalPhotos: Packera paupercula photos.

USDA Plants: Packera paupercula information.

9 photographs:
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