Spergularia canadensis var. occidentalis

R. Rossbach

Rhodora 42: 166. 1940.

Endemic
Treatment appears in FNA Volume 5. Treatment on page 20.

Plants 7–25 cm, glabrous or stipitate-glandular. Stems widely spreading to erect, branching proximally. Stipules 2–2.7 mm. Sepals 2.5–3.5 mm, to 4.3 mm in fruit, apex ± acute to narrowly obtuse. Capsules 3.5–5.3 mm, 1.2–1.3 as long as times sepals. Seeds 0.9–1.1 mm. 2n = 36.


Phenology: Flowering summer.
Habitat: Disturbed marshy areas
Elevation: 0-50 m

Distribution

V5 31-distribution-map.gif

B.C., Alaska, Calif., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.

"-2timesaslongassepals" is not declared as a valid unit of measurement for this property.

perigynous +  and hypogynous +
less acute;narrowly obtuse +
Ronald L. Hartman +  and Richard K. Rabeler +
R. Rossbach +
Arenaria canadensis +
threadlike +  and linear +
1.5 cm15 mm <br />0.015 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
smaller +
1.2 +  and 1.3 +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.53 cm5.3 mm <br />0.0053 m <br />) +
0-2+-compound +  and simple +
dish--shaped +
expanded +
B.C. +, Alaska +, Calif. +, Oreg. +  and Wash. +
0-50 m +
peripheral +
unisexual +  and bisexual +
stalked +  and simple +
Disturbed marshy areas +
dish or cupshaped +
cup-shaped +  and dish +
0-8+-compound +, simple +  and branching +
cluster +  and opposite +
distinct +
ovate +  and elliptic-oblong +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
0.2mm +  and 0.5mm +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
perigynous +  and hypogynous +
pink +  and white +
fugacious +
0.9-1 times as long as sepals +
Flowering summer. +
partial +  and complete +
reddish-brown +
smooth +  and variously sculptured +
laciniate +  and compressed +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
membranous +
not +  and hooded +
persistent +
lanceolate;ovate +
0 cm0 mm <br />0 m <br /> (0.43 cm4.3 mm <br />0.0043 m <br />) +
2 +  and 4 +
decumbent to erect +  and prostrate +
widely spreading;erect +
[30 +  and 3 +
papillate +
inconspicuous +
triangular +
0.2 cm2 mm <br />0.002 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
nearly +  and distinct +
filiform +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
compressed +  and ovate +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Delia +  and Lepigonum +
Spergularia canadensis var. occidentalis +
Spergularia canadensis +
variety +
divided +
not rhizomatous +  and taprooted +
delicate +  and stout +
stipitate-glandular +  and glabrous +
0.2mm +  and 0.3mm +