Scleranthus annuus

Linnaeus

Sp. Pl. 1: 406. 1753.

Common names: Annual knawel scléranthe annuel
WeedyIntroducedIllustrated
Treatment appears in FNA Volume 5. Treatment on page 150. Mentioned on page 149.

Distribution

V5 307-distribution-map.gif

Alta., B.C., N.B., N.S., Nfld. and Labr. (Nfld.), Ont., P.E.I., Que., Sask., Ala., Ark., Calif., Conn., D.C., Del., Fla., Ga., Idaho, Ill., Ind., Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., Mont., N.C., N.H., N.J., N.Y., Nebr., Ohio, Okla., Oreg., Pa., R.I., S.C., Tenn., Va., Vt., W.Va., Wash., Wis., Europe, w Asia, n Africa

Discussion

Subspecies 8 (1 in the flora).

Selected References

None.

... more about "Scleranthus annuus"
acute;blunt or obtuse +
John W. Thieret +  and Richard K. Rabeler +
Linnaeus +
Laciniate (?) +, Emarginate (?) +, Jagged (?) +, 2-fid (?) +  and Entire (?) +
subulate +  and linear +
not succulent +
reduced +
herbaceous +  and scarious +
Annual knawel +  and scléranthe annuel +
dish--shaped +
expanded +
Alta. +, B.C. +, N.B. +, N.S. +, Nfld. and Labr. (Nfld.) +, Ont. +, P.E.I. +, Que. +, Sask. +, Ala. +, Ark. +, Calif. +, Conn. +, D.C. +, Del. +, Fla. +, Ga. +, Idaho +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, Mont. +, N.C. +, N.H. +, N.J. +, N.Y. +, Nebr. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, Tenn. +, Va. +, Vt. +, W.Va. +, Wash. +, Wis. +, Europe +, w Asia +  and n Africa +
straight +  and curved +
central +  and peripheral +
sessile +  and subsessile +
inconspicuous +
unisexual +  and bisexual +
indehiscent +
stalked +  and simple +
sepal-crowned +  and furrowed +
disc--shaped +  and dish +
axillary +  and terminal +
connate +
swollen +
3 +  and 5 +
crassinucellate +  and bitegmic +
campylotropous +
brownish +, pink +, yellowish white +, translucent +  and white +
fugacious +
4 +  and 5 +
not compressed +  and globose +
persistent +
distinct +
lanceolate;awl-shaped +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Weedy +, Introduced +  and Illustrated +
2 +  and 10 +
erect;prostrate +
[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 annuus +
Scleranthus +
species +
divided +
10 +  and 8 +
rhizomatous +  and taprooted +
perennial +, biennial +  and annual +
pubescence of simple hairs or stalked glands +  and glabrous +