Physaria klausii

Perennials; caudex simple; densely pubescent, trichomes (loosely spreading), 3–5-rayed, rays distinct, furcate (with exceptionally long branches). Stems simple from base, erect to decumbent, (slender), 0.6–1.5 dm. Basal leaves: blades obovate to deltate, 1.5–3(–4) cm, margins entire or outer one with 1 or 2 broad teeth. Cauline leaves: blade oblanceolate to spatulate, 0.6–1.5 cm, margins entire. Racemes loose. Fruiting pedicels (sigmoid), 5–9 mm. Flowers: sepals (green-yellow, often tinged with purple), elliptic, 3–4.6 mm; petals oblanceolate, 6–8 mm (claw expanded). Fruits (depressed), broadly obovate, compressed (angustiseptate), 2–4 mm, (apex slightly bilobed to nearly truncate); valves densely pubescent, trichomes strongly ascending, spreading, long, (appearing fuzzy), pubescent inside; ovules 4 per ovary; style 3–4 mm, (pubescent or glabrous). Seeds flattened.

Phenology: Flowering Jul.
Habitat: Open gravel slides, solifluction cross-stripes of shale rubble, barren shale-derived soil
Elevation: 1200-1900 m

Mont.

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa