Lechea intermedia

Leggett ex Britton

Bull. Torrey Bot. Club 21: 252. 1894.

Common names: Large-pod pinweed
Endemic
Treatment appears in FNA Volume 6. Treatment on page 391. Mentioned on page 390, 396.

Herbs, perennial. Stems: basal produced; flowering erect to decumbent or arcuate-ascending, (3–) 5–60 cm, sericeous. Leaves of flowering-stems alternate or subopposite; blade elliptic-lanceolate or lanceolate to oblanceolate, 10–25 × 1.5–5 mm, apex acute, abaxial surface hairy on midvein and margins, adaxial glabrous. Pedicels 1 per axil, 1.5–3 mm. Flowers: calyx 1.9–2.3 mm, outer sepals shorter than inner. Capsules broadly ovoid, depressed-globose, or subglobose, 1.8–2 × 1.7–2.1 mm, shorter to ± equaling calyx. Seeds 4–6, membranous coat gray.

Distribution

V6 726-distribution-map.jpg

Alta., Man., N.B., N.S., Ont., P.E.I., Que., Sask., Conn., Ill., Iowa, Maine, Mass., Minn., Mont., N.Dak., N.H., N.J., N.Y., Ohio, Pa., R.I., S.Dak., Va., Wis., Wyo.

Discussion

Varieties 4 (4 in the flora).

Selected References

None.

Key

1 Capsules depressed-globose, ± equaling calyx; inner sepals broadly ovate, apex obtuse. Lechea intermedia var. intermedia
1 Capsules subglobose to broadly ovoid, shorter than calyx; inner sepals elliptic-ovate, apex subacute > 2
2 Flowering stems decumbent to arcuate-ascending, 3–12 cm. Lechea intermedia var. depauperata
2 Flowering stems erect, 25–60 cm > 3
3 Leaves of basal stems mostly 4-ranked; blades elliptic-lanceolate. Lechea intermedia var. juniperina
3 Leaves of basal stems mostly 2-ranked; blades lanceolate to oblanceolate. Lechea intermedia var. laurentiana

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

... more about "Lechea intermedia"
David E. Lemke +
Leggett ex Britton +
bracteolate +  and 1-3-flowered +
overwintering +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
lanceolate +  and oblanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.19 cm1.9 mm <br />0.0019 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
subglobose;depressed-globose;subglobose;depressed-globose;ovoid +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.21 cm2.1 mm <br />0.0021 m <br />) +
membranous +
Large-pod pinweed +
Alta. +, Man. +, N.B. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Conn. +, Ill. +, Iowa +, Maine +, Mass. +, Minn. +, Mont. +, N.Dak. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, S.Dak. +, Va. +, Wis. +  and Wyo. +
connate +  and distinct +
loculicidal +
congested +  and loose +
racemose +  and paniculate +
sessile +  and petiolate +
subopposite +  and alternate +
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 /> (0.3 cm3 mm <br />0.003 m <br />) +
crumpled +  and imbricate +
green +  and maroon +
distinct +
Bull. Torrey Bot. Club +
compressed +  and ovoid +
persistent +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
erect +  and decumbent or arcuate-ascending +
5 cm50 mm <br />0.05 m <br /> (60 cm600 mm <br />0.6 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 intermedia +
species +
glabrous +, villous +  and sericeous +