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FNA | Family List | FNA Vol. 7 | Brassicaceae | Physaria

44a. Physaria kingii (S. Watson) O’Kane & Al-Shehbaz subsp. kingii

Plants prostrate and straggling to erect; trichomes tuberculate throughout, center low-mounded. Basal leaves: blade margins ± entire, (sometimes slightly lobed or widened at base). Racemes not secund, loose and elongated in fruit, or dense in alpine forms. Fruiting pedicels usually sigmoid. Petals yellow. Fruits slightly wider than long, apex truncate or retuse; valves pubescent inside; septum ± perforate; ovules 4(-8) per ovary; style to 7(-9) mm.

Flowering May-Jun. Granitic ridges, quartz and limestone chip, stream gravels, dry slopes, calcareous soils, sagebrush hillsides, pinyon-juniper woodlands; 1700-2200 m; Calif., Idaho, Nev., Oreg.


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