Page authors: Don Knoke, David Giblin
Physaria geyeri
Geyer's twinpod
WTU specimens
Other herbaria

Distribution: Occurring in eastern portion of Washington; Washington east to Idaho and Montana.

Habitat: Gravelly stream banks and hillsides.

Flowers: May-July

Origin: Native

Conservation Status: Not of concern

Description:
General:

Gray-stellate perennial herb from a branched crown, the many, simple stems erect to decumbent, 1-2 dm. tall.

Leaves:

Basal leaves 3-6 cm. long, the blades entire, obovate to nearly round, narrowed abruptly to broad petioles 2-3 times as long; cauline leaves alternate, several, much reduced, oblanceolate.

Flowers:

Inflorescence of many-flowered, elongate, bractless racemes; pedicles 6-20 mm. long, ascending to reflexed, somewhat S-shaped; sepals 4, purplish, stellate, the outer pair slightly saccate at the base; petals 4, yellow, spatulate, 5-11 mm. long; stamens 6; style 4-7 mm. long.

Fruits:

Silicles strongly inflated, obcompressed, obtuse to truncate at the base, 5-7 mm. long and slightly wider, with a broad, open, apical sinus about 2 mm. deep.

Accepted Name:
Physaria geyeri (Hook.) A. Gray
Publication: Gen. Amer. Bor. 1: 162. 1848.

Synonyms & Misapplications:
Coulterina geyeri (Hook.) Kuntze
Lesquerella geyeri (Hook.) G.A. Mulligan
Vesicaria geyeri Hook.
Infraspecies:
ssp. geyeri – Geyer's twinpod
Additional Resources:

PNW Herbaria: Specimen records of Physaria geyeri in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Physaria geyeri checklist entry.

E-Flora BC: Physaria geyeri atlas page.

CalPhotos: Physaria geyeri photos.

USDA Plants: Physaria geyeri information.

13 photographs:
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