Page author: David Giblin
Oxalis suksdorfii
western yellow wood-sorrel
WTU specimens
Other herbaria

Distribution: West of the Casccades in Washington; southern Washington to northwest California.

Habitat: Low elevations, usually in moist, coastal woods but sometimes on rather dry, open slopes.

Flowers: April-August

Origin: Native

Conservation Status: Threatened in Washington (WANHP)

Description:
General:

Finely pubescent perennial from rhizomes, the stems 3-15 cm. long, decumbent to erect.

Leaves:

Leaves alternate, long-petiolate, trifoliate; leaflets 1.5-3 cm. broad, obcordate, drooping; stipules very small or lacking.

Flowers:

Flowers 1-3, short-pedicellate, on peduncles exceeding the leaves; sepals 5; petals 5, yellow, 12-20 mm. long, rounded; stamens 10, the filaments hairy, the lower 2-3 mm. united, 5 filaments longer than the other 5; styles 5.

Fruits:

Flowers 1-3, short-pedicellate, on peduncles exceeding the leaves; sepals 5; petals 5, yellow, 12-20 mm. long, rounded; stamens 10, the filaments hairy, the lower 2-3 mm. united, 5 filaments longer than the other 5; styles 5.

Accepted Name:
Oxalis suksdorfii Trel.
Publication: Memoirs of the Boston Society of Natural History 4: 89. . 1888.

Synonyms & Misapplications:
Oxalis corniculata L. var. macrantha Trel., misapplied
Oxalis pumila Nutt.
Xanthoxalis suksdorfii (Trel.) Small
Additional Resources:

PNW Herbaria: Specimen records of Oxalis suksdorfii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Oxalis suksdorfii checklist entry.

E-Flora BC: Oxalis suksdorfii atlas page.

CalPhotos: Oxalis suksdorfii photos.

USDA Plants: Oxalis suksdorfii information.

9 photographs:
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