Limnanthes douglasii subsp. nivea

(C. T. Mason) C. T. Mason

Madroño 36: 50. 1989.

Basionym: Limnanthes douglasii var. nivea C. T. Mason Univ. Calif. Publ. Bot. 25: 477, fig. 7, plates 43, 45c. 1952
Treatment appears in FNA Volume 7. Treatment on page 178. Mentioned on page 174, 176, 177.

Leaflets: blade linear to ovate, margins entire or shallowly to deeply lobed. Flowers cup or bell-shaped; sepals narrowly lanceolate-ovate, 4–7 mm; petals white (sometimes aging or drying pale-yellow basally, veins white or purplish), cuneate, 7–13 mm; filaments 4–6 mm; anthers cream to yellow, oblong-sagittate, 1 mm. Tubercles absent or not (or 1 row of whitish globules on ridges and crests), brown, lamellar, planar, or conical. 2n = 10.


Phenology: Flowering Mar–Jun.
Habitat: Wet meadows, edges of vernal pools, ephemeral streams
Elevation: 0-1000 m

Discussion

Subspecies nivea occurs in the Coast Ranges from San Luis Obispo County to Humboldt County, with disjunct populations in Butte County.

Selected References

None.

Lower Taxa

None.
tetrasporangiate +
cream +  and yellow +
extrorse +, introrse +  and dehiscing +
oblong-sagittate +
1 cm10 mm <br />0.01 m <br /> (?) +
obcordate +  and truncate +
Nancy R. Morin +
(C. T. Mason) C. T. Mason +
Limnanthes douglasii var. nivea +
ternate +  and bipinnate +
lobed +  and entire +
linear +  and ovate +
0-1000 m +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
bell--shaped +
ridged +, subglobose +  and obovoid +
rugulose +, smooth +  and tuberculate +
Wet meadows, edges of vernal pools, ephemeral streams +
entire or +  and shallowly deeply lobed +
gray +, black +  and dark-brown +
tuberculate +
syncarpous +  and 2-5-carpellate +
5-lobed +
distinct +
usually longer +
cuneate +
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Flowering Mar–Jun. +
colporate +, colpate +  and binucleate +
2-4-aperturate +
whitish +, gray +, pinkish +  and brown +
blunt +, rounded +, conical +  and planar +
not arillate +
persistent +
list +  and count +
lanceolate-ovate +
not accrescent +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Illustrated +  and Endemic +
10 +  and 8 +
sprawling +  and decumbent +
ascending +  and erect +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
Limnanthes sect. Reflexae +
Limnanthes douglasii subsp. nivea +
Limnanthes douglasii +
subspecies +
conical +  and planar +
pale-yellow +, chartreuse +, pink +, lilac +, drying +, cream +, white +, rose +, purplish +  and translucent +
35 cm350 mm <br />0.35 m <br /> (100 cm1,000 mm <br />1 m <br />) +
pubescent +  and glabrous +