Herniaria hirsuta var. hirsuta

Treatment appears in FNA Volume 5. Treatment on page 44.

Stems 4–15 cm. Inflorescences 3–6-flowered. Flowers 0.9–1 mm, hairs mostly of 1 size, 1/5–1/3 as long as sepals, tips of hairs ± straight; hypanthium glabrous or pubescent, tips of hairs ± straight; sepals in fruit ± equal; stamens usually 5; styles connate in proximal 1/3, 2-branched, shorter than 0.1 mm. Seeds 0.6–0.7 mm. 2n = 18, 36 (Europe).


Phenology: Flowering spring–fall.
Habitat: Sandy flats, roadsides, woodlands
Elevation: 200-1800 m

Distribution

V5 88-distribution-map.gif

Introduced; Calif., Md., Mass., s Europe, sw Asia, n Africa

Discussion

Variety hirsuta is apparently much less common than var. cinerea in North America. A historical record exists from Pennsylvania (1915).

Selected References

None.

Lower Taxa

None.
acute;subobtuse +
John W. Thieret +, Ronald L. Hartman +  and Richard K. Rabeler +
Linnaeus +
stipulate +  and petiolate +
not +  and connate +
often +  and needlelike +
ciliate +  and hirsute +
elliptic +  and oblanceolate +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
not succulent +
smaller +
dish--shaped +
expanded +
virtually +  and sessile +
Calif. +, Md. +, Mass. +, s Europe +, sw Asia +  and n Africa +
200-1800 m +
peripheral +
unisexual +  and bisexual +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
sometimes +  and indehiscent +
stalked +  and simple +
Sandy flats, roadsides, woodlands +
1/5 +  and 1/3 +
spinelike +  and hooked +
pubescent +  and glabrous +
on short branches +, leaf-opposed +  and axillary +
alternate +  and opposite +
connate +  and distinct +
all +  and distalmost +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
fugacious +
4 +  and 5 +
Flowering spring–fall. +
black;dark-brown +
compressed +, ovoid +  and lenticular +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
greenish +  and whitish green +
persistent +
distinct +
lanceolate;oblong +
unequal +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
equaling +  and equal +
Introduced +  and Illustrated +
inconspicuous +
subulate-filiform +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +  and 0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +
much-branched +
mat-forming +
prostrate;ascending +
4 cm40 mm <br />0.04 m <br /> (15 cm150 mm <br />0.15 m <br />) +
[100 +  and 2 +
papillate +
inconspicuous +
ovate +  and deltate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
filiform +
0.1 cm1 mm <br />0.001 m <br /> (?) +
Herniaria hirsuta var. hirsuta +
Herniaria hirsuta +
variety +
straight +
divided +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +  and 0.09 cm0.9 mm <br />9.0e-4 m <br /> (?) +
8 (?) +  and 10 (?) +
not rhizomatous +  and taprooted +