Limnanthes alba subsp. gracilis
J. Bot. Res. Inst. Texas 1: 1017. 2007.
Herbage glabrous. Leaflets: blade ovate to linear-lanceolate. Flowers: sepals accrescent, lanceolate-ovate, 4–8 mm, glabrous; petals usually white, sometimes cream basally, aging or drying pink, obovate, 8–10 mm, as long as wide, glabrous; filaments 3–4 mm; anthers cream, 1 mm; style 3–4 mm. Nutlets ca. 3 mm, tuberculate (tubercles relatively low and wide).
Phenology: Flowering Mar–May.
Habitat: Seasonally wet meadows, rocky slopes and basins, often on serpentine soils
Elevation: 150-1700 m
Of conservation concern.
Subspecies gracilis occurs in the Rogue River Valley in Josephine and Jackson counties and in Douglas County.