Scleranthus perennis subsp. perennis

Treatment appears in FNA Volume 5. Treatment on page 151. Mentioned on page 455.

Plants perennial. Stems procumbent to erect, 3–25 cm, becoming somewhat woody basally. Leaf-blades 3–13 mm. Flowers usually longer than bracts; hypanthium becoming shallowly furrowed in fruit, 1–1.3 mm; sepals overlapping, usually bending together in fruit, 2.5–4 mm, margins 0.3–0.5 mm wide, apex blunt or rounded; stamens ca. equaling sepals. “Fruits” 2.5–4.5 mm including sepals. 2n = 22 (Europe).


Phenology: Flowering summer–fall.
Habitat: Roadsides, sandy areas, shores
Elevation: 0-300 m

Distribution

V5 310-distribution-map.gif

Introduced; Que., Conn., Mass., Mich., Wis., c Europe, w Asia

Discussion

Selected References

None.

Lower Taxa

None.
rounded;blunt +
John W. Thieret +  and Richard K. Rabeler +
Linnaeus +
0.3 cm3 mm <br />0.003 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Laciniate (?) +, Emarginate (?) +, Jagged (?) +, 2-fid (?) +  and Entire (?) +
subulate +  and linear +
not succulent +
reduced +
herbaceous +  and scarious +
dish--shaped +
expanded +
Que. +, Conn. +, Mass. +, Mich. +, Wis. +, c Europe +  and w Asia +
0-300 m +
straight +  and curved +
central +  and peripheral +
sessile +  and subsessile +
usually longer +
inconspicuous +
unisexual +  and bisexual +
indehiscent +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
stalked +  and simple +
Roadsides, sandy areas, shores +
disc--shaped +  and dish +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
axillary +  and terminal +
connate +
0.3mm +  and 0.5mm +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
brownish +, pink +, yellowish white +, translucent +  and white +
fugacious +
4 +  and 5 +
Flowering summer–fall. +
not compressed +  and globose +
overlapping +
persistent +
distinct +
lanceolate;awl-shaped +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Introduced +
2 +  and 10 +
3 cm30 mm <br />0.03 m <br /> (25 cm250 mm <br />0.25 m <br />) +
[50 +  and 2 +
papillate +
distinct +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Scleranthus perennis subsp. perennis +
Scleranthus perennis +
subspecies +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +
pubescence of simple hairs or stalked glands +  and glabrous +