Limnanthes alba subsp. alba

Treatment appears in FNA Volume 7. Treatment on page 181. Mentioned on page 179, 180, 183.

Herbage sparsely to densely hairy. Leaflets: blade oblong to lanceolate. Flowers: sepals not accrescent, ovate, 6–8 mm, densely hairy; petals white, aging or drying pink, broadly obovate-cuneate, 10.5–16 mm, 1.2–1.5 times as long as wide (apex truncate or slightly emarginate, with very broad notch), sparsely hairy; filaments 4–6 mm; anthers cream, ± 2 mm; style 5–6 mm. Nutlets ca. 4 mm, smooth or ridged (ridges relatively wide).


Phenology: Flowering Mar–May.
Habitat: Winter-wet grasslands, woodlands
Elevation: 0-1400 m

Discussion

Subspecies alba occurs on the east side of the Sacramento Valley and in the foothills of the Sierra Nevada. It has escaped from cultivation in the Willamette Valley of western Oregon on roadsides.

Selected References

None.

Lower Taxa

None.
tetrasporangiate +
extrorse +, introrse +  and dehiscing +
2 cm20 mm <br />0.02 m <br /> (?) +
truncate +  and emarginate +
Nancy R. Morin +
Hartweg ex Bentham +
ternate +  and bipinnate +
lobed +  and entire +
oblong +  and lanceolate +
Calif. +  and Oreg. +
0-1400 m +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
bowl +  and bell-shaped +
ridged +, subglobose +  and obovoid +
rugulose +, smooth +  and tuberculate +
Winter-wet grasslands, woodlands +
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
shallowly 2-lobed +  and deeply 3-lobed +
dark-brown +  and gray +
not +  and tuberculate +
syncarpous +  and 2-5-carpellate +
5-lobed +
pink +  and white +
distinct +
1.25-2.1 times longer than sepals +
obovate-cuneate +
1.05 cm10.5 mm <br />0.0105 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Flowering Mar–May. +
colporate +, colpate +  and binucleate +
2-4-aperturate +
Pl. Hartw., +
not arillate +
persistent +
list +  and count +
not accrescent +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
10 +  and 8 +
sprawling +  and decumbent +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 0.6 cm6 mm <br />0.006 m <br /> (?) +
Limnanthes alba subsp. alba +
Limnanthes alba +
subspecies +
dark-brown +  and gray +
pink +, lilac +, white +, drying +, dark yellow +  and purplish +
usually longer +
pubescent +  and glabrous +