Limnanthes alba subsp. gracilis

(Howell) Morin

J. Bot. Res. Inst. Texas 1: 1017. 2007.

Basionym: Limnanthes gracilis Howell Fl. N.W. Amer., 108. 1897
Treatment appears in FNA Volume 7. Treatment on page 181. Mentioned on page 175, 179, 180.

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

Discussion

Of conservation concern.

Subspecies gracilis occurs in the Rogue River Valley in Josephine and Jackson counties and in Douglas County.

Selected References

None.

Lower Taxa

None.