Juncus ensifolius var. montanus

(Engelmann) C. L. Hitchcock in C. L. Hitchcock et al.

in C. L. Hitchcock et al.,Vascular Plants of the Pacific Northwest 1: 195. 1969.

Illustrated
Basionym: Juncus xiphioides var. montanus Engelmann Trans. Acad. Sci. St. Louis 2: 481. 1868 Juncus xiphioides var. montanus Engelmann J. xiphioides var. triandrus Engelmann
Synonyms: Juncus brunnescenns Rydberg Juncus ensifolius var. brunnescens (Rydberg) Cronquist Juncus parous Rydberg Juncus saximontanus R. F. Martin Juncus tracyi Juncus utahensis
Treatment appears in FNA Volume 22.

Leaves 2–25 cdm × 1.5–4 mm. Inflorescences 3–20 heads; heads obovoid to globose. Flowers: outer tepals 2.7–3.6 mm; inner tepals 2.7–3 mm; stamens 6. Capsules slightly exserted, ellipsoid, 2.4–4.3 mm. Seeds 0.4–1 mm, tailed or more often not tailed.


Phenology: Fruiting early summer–fall.
Habitat: Wet meadows, bogs, springy woods, stream and lake shores
Elevation: 400–3000 m

Distribution

V22 380-distribution-map.jpg

Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Tex., Utah, Wash., Wyo., Mexico (s to Puebla), Mexico (Veracruz)

Discussion

Selected References

None.

Lower Taxa

None.

"/2" is not declared as a valid unit of measurement for this property.

persistent +
separating +
obtuse +, acuminate +  and acute +
Ralph E. Brooks* +  and Steven E. Clemants* +
(Engelmann) C. L. Hitchcock in C. L. Hitchcock et al. +
Juncus xiphioides var. montanus +
ensiform +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
chestnut +  and dark-brown +
ellipsoid +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.43 cm4.3 mm <br />0.0043 m <br />) +
straw-colored +
flattened +
Alta. +, B.C. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wyo. +, Mexico (s to Puebla) +  and Mexico (Veracruz) +
400–3000 m +
arranged +  and cluster +
headlike +
Wet meadows, bogs, springy woods, stream and lake shores +
3-70-flowered +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
obovoid +  and globose +
ascending +  and erect +
pseudoaxillary +  and terminal +
2 cm20 mm <br />0.02 m <br /> (14 cm140 mm <br />0.14 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
cauline +  and basal +
3 +  and 1 +
0.36 cm3.6 mm <br />0.0036 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.27 cm2.7 mm <br />0.0027 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
ascending +  and erect +
2 cm20 mm <br />0.02 m <br /> (14 cm140 mm <br />0.14 m <br />) +
green;brown or purplish black +
persistent +
Fruiting early summer–fall. +
parietal +  and axile +
in C. L. Hitchcock et al.,Vascular Plants of the Pacific Northwest +
ascending +  and erect +
2 cm20 mm <br />0.02 m <br /> (14 cm140 mm <br />0.14 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
tailed;tailed +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
green;brown or purplish black +
persistent +
Illustrated +
generally longer +
Juncus brunnescenns +, Juncus ensifolius var. brunnescens +, Juncus parous +, Juncus saximontanus +, Juncus tracyi +  and Juncus utahensis +
Juncus ensifolius var. montanus +
Juncus ensifolius +
variety +
green +  and brown or reddish-brown +
lanceolate +