Lechea mensalis

Hodgdon

Rhodora 40: 92, plate 489, figs. 1 – 4. 1938.

Common names: Mountain pinweed
Conservation concern
Treatment appears in FNA Volume 6. Treatment on page 393. Mentioned on page 390, 394.

Herbs, perennial. Stems: basal produced; flowering erect, 15–25 cm, sericeous. Leaves of flowering-stems alternate; blade linear, 8–15 × 0.7–1.2 mm, apex acute to rounded, abaxial surface sparsely pilose on midvein and margins, adaxial glabrous. Pedicels 1 per axil, 1.5–2 mm. Flowers: calyx 1.9–2 mm, outer sepals longer than inner. Capsules ovoid, 1.6–1.8 × 1.2–1.3 mm, ± equaling calyx. Seeds 1 (2).


Phenology: Flowering late summer; fruiting fall.
Habitat: Oak-juniper woodlands
Elevation: 2000–2300 m

Distribution

V6 736-distribution-map.jpg

N.Mex., Tex., Mexico (Coahuila)

Discussion

Of conservation concern.

Lechea mensalis is known from open woodlands dominated by species of oak and juniper at only two locations in the United States: the Guadalupe Mountains of southeastern New Mexico and adjacent Texas and the Chisos Mountains of west Texas; it also occurs in adjacent Coahuila, Mexico.

Selected References

None.

Lower Taxa

None.

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

... more about "Lechea mensalis"
acute +  and rounded +
David E. Lemke +
Hodgdon +
bracteolate +  and 1-3-flowered +
overwintering +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
orbiculate +, oblanceolate +, ovate +  and elliptic +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
membranous +
Mountain pinweed +
N.Mex. +, Tex. +  and Mexico (Coahuila) +
2000–2300 m +
connate +  and distinct +
loculicidal +
Oak-juniper woodlands +
congested +  and loose +
racemose +  and paniculate +
sessile +  and petiolate +
undulate +  and revolute +
ovate;obovate +
6-12-carpellate +, 5-carpellate +, 3-carpellate +  and 2-carpellate +
crassinucellate +  and bitegmic +
orthotropous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
crumpled +  and imbricate +
green +  and maroon +
distinct +
Flowering late summer +  and fruiting fall. +
compressed +  and ovoid +
persistent +
Conservation concern +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 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 />) +
Lechidium +
Lechea mensalis +
species +
glabrous +, villous +  and sericeous +