Lechea tenuifolia

Michaux

Fl. Bor.-Amer. 1: 77. 1803.

Common names: Narrowleaf pinweed
EndemicIllustrated
Synonyms: Lechea tenuifolia var. occidentalis Hodgdon
Treatment appears in FNA Volume 6. Treatment on page 396. Mentioned on page 390.

Herbs, biennial or perennial. Stems: basal produced; flowering erect, 12–40 cm, sparsely sericeous. Leaves of flowering-stems opposite or whorled; blade linear to narrowly oblanceolate, 7–20 × 0.5–1.5 mm, apex rounded, abaxial surface sparsely pilose on midvein and margins, adaxial glabrous. Pedicels 1 per axil, 0.5–1.5 mm. Flowers: calyx 1.6–1.9 mm, outer sepals equaling or longer than inner. Capsules secund or not, broadly ovoid, 1.4–1.7 × 1.3–1.5 mm, shorter than or ± equaling calyx. Seeds 2–3 (–5).


Phenology: Flowering summer–fall; fruiting fall.
Habitat: Dry, sandy or gravelly soil in openings or along margins of oak woodlands and oak-pine forests
Elevation: 100–300 m

Distribution

V6 747-distribution-map.jpg

Ala., Ark., Conn., Del., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property.

... more about "Lechea tenuifolia"
rounded +
David E. Lemke +
Michaux +
bracteolate +  and 1-3-flowered +
overwintering +
0.7 cm7 mm <br />0.007 m <br /> (2 cm20 mm <br />0.02 m <br />) +
linear +  and narrowly oblanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
not +  and secund +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
membranous +
Narrowleaf pinweed +
Ala. +, Ark. +, Conn. +, Del. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +  and Wis. +
100–300 m +
connate +  and distinct +
loculicidal +
Dry, sandy or gravelly soil in openings or along margins of oak woodlands and oak-pine forests +
congested +  and loose +
racemose +  and paniculate +
sessile +  and petiolate +
whorled +  and opposite +
undulate +  and revolute +
ovate;obovate +
6-12-carpellate +, 5-carpellate +, 3-carpellate +  and 2-carpellate +
crassinucellate +  and bitegmic +
orthotropous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
crumpled +  and imbricate +
green +  and maroon +
distinct +
Flowering summer–fall +  and fruiting fall. +
Fl. Bor.-Amer. +
compressed +  and ovoid +
persistent +
Endemic +  and Illustrated +
12 cm120 mm <br />0.12 m <br /> (40 cm400 mm <br />0.4 m <br />) +
persistent +
fimbriate-plumose +
sessile +  and petiolate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Lechea tenuifolia var. occidentalis +
Lechea tenuifolia +
species +
perennial +  and biennial +
glabrous +, villous +  and sericeous +