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.
Revision as of 23:55, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

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 +