Juncus ensifolius var. ensifolius

Treatment appears in FNA Volume 22.
Revision as of 23:52, 29 July 2020 by imported>Volume Importer
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Leaves 2–15 dm ×x 3–6 mm. Inflorescences 1–5 (–11) heads; heads usually globose. Flowers: outer tepals 2.7–3.6 (–4) mm; inner tepals 2.2–3 (–3.5) mm; stamens 3. Capsules included to slightly exserted, oblong-ovoid to ellipsoid, 2.4–3.5 mm. Seeds 0.4–0.6, not tailed. 2n = 40.


Phenology: Fruiting summer.
Habitat: Wet meadows, marshy areas, wet granite areas, shores, banks and ditches, often montane
Elevation: 400–3000 m

Distribution

V22 205-distribution-map.jpg

Alta., B.C., Ont., Que., Sask., Alaska, Calif., Colo., Idaho, Mont., Nev., N.Y., Oreg., S.Dak., Utah, Wash., Wis., Wyo., Mexico (s to Veracruz), Mexico (Puebla), Mexico (Guerrero), Europe, e Asia

Discussion

This species is probably introduced in Wisconsin and New York as well as in northern Europe.

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* +
Wikstrom +
Juncus sect. Ensifolii +
ensiform +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
chestnut +  and dark-brown +
included +  and slightly exserted +
oblong-ovoid;ellipsoid +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
straw-colored +
flattened +
Alta. +, B.C. +, Ont. +, Que. +, Sask. +, Alaska +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Y. +, Oreg. +, S.Dak. +, Utah +, Wash. +, Wis. +, Wyo. +, Mexico (s to Veracruz) +, Mexico (Puebla) +, Mexico (Guerrero) +, Europe +  and e Asia +
400–3000 m +
arranged +  and cluster +
headlike +
Wet meadows, marshy areas, wet granite areas, shores, banks and ditches, often montane +
3-70-flowered +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
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 />) +
0.22 cm2.2 mm <br />0.0022 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 summer. +
parietal +  and axile +
Kongl. Vetenskaps Academiens Handlingar +
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 />) +
not 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 ensifolius var. ensifolius +
Juncus ensifolius +
variety +
green +  and brown or reddish-brown +
lanceolate +