Spergularia macrotheca var. macrotheca

Treatment appears in FNA Volume 5. Treatment on page 18.

Plants 5–35 cm. Stems erect to prostrate. Leaves: stipules 5–11 mm; blade (0.6–) 1–4 cm. Flowers: sepal lobes ovate to lanceolate, (4.5–) 5–7 mm, to 8 mm in fruit; petals pink to rosy, 0.9–1.1 times as long as sepals; styles 0.6–1.2 mm. Capsules 0.8–1.2 times as long as calyx. Seeds redbrown, often with submarginal groove or depression, suborbiculate to ovate, (0.6–) 0.7–0.8 mm, smooth (40×); wing absent or 0.1–0.2 mm wide. 2n = 36, 72.


Phenology: Flowering spring–fall.
Habitat: Salt flats and marshes, dunes, rocky outcrops, sandy or rocky coastal bluffs, gravelly ridges, alkaline fields
Elevation: less than 300 m

Distribution

V5 22-distribution-map.gif

B.C., Calif., Oreg., Wash., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

"-1.2timesaslongascalyx" is not declared as a valid unit of measurement for this property.

perigynous +  and hypogynous +
apiculate +  and spine-tipped +
blunt;rounded +
Ronald L. Hartman +  and Richard K. Rabeler +
(Hornemann ex Chamisso & Schlechtendal) Heynhold +
Arenaria macrotheca +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
threadlike +  and linear +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
smaller +
0.46 cm4.6 mm <br />0.0046 m <br /> (1 cm10 mm <br />0.01 m <br />) +
simple +  and 3-compound +
dish--shaped +
expanded +
B.C. +, Calif. +, Oreg. +, Wash. +  and Mexico (Baja California) +
less than 300 m +
peripheral +
unisexual +  and bisexual +
stalked +  and simple +
Salt flats and marshes, dunes, rocky outcrops, sandy or rocky coastal bluffs, gravelly ridges, alkaline fields +
dish or cupshaped +
cup-shaped +  and dish +
0-8+-compound +, simple +  and branching +
cluster +  and opposite +
distinct +
ovate +  and lanceolate +
0 cm0 mm <br />0 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.3mm +  and 0.7mm +
rounded +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
reflexed;erect +
perigynous +  and hypogynous +
pink +  and rosy +
fugacious +
0.9-1.1 times as long as sepals +
elliptic +  and obovate +
Flowering spring–fall. +
Alph. Aufz. Gew. +
partial +  and complete +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
not papillate +, sculpturing of parallel , wavy lines +, smooth +  and faintly or prominently tuberculate +
suborbiculate +  and ovate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
membranous +
not +  and hooded +
persistent +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
ovate;lanceolate +
0 cm0 mm <br />0 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
lanceolate;ovate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
9 +  and 10 +
erect;prostrate +
[30 +  and 3 +
papillate +
white +  and tan +
triangular +
0.5 cm5 mm <br />0.005 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
nearly +  and distinct +
filiform +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Delia +  and Lepigonum +
Spergularia macrotheca var. macrotheca +
Spergularia macrotheca +
variety +
divided +
not rhizomatous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +
0.1-0.2 mm +