Scleranthus perennis subsp. perennis

Treatment appears in FNA Volume 5. Treatment on page 151. Mentioned on page 455.
Revision as of 10:22, 30 July 2020 by imported>Volume Importer
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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 +