Juncus regelii

Buchenau

Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 12: 414. 1890.

Common names: Regel's rush
Endemic
Synonyms: Juncus jonesii Rydberg
Treatment appears in FNA Volume 22.

Herbs, perennial, 2–6 dm. Rhizomes long creeping. Culms erect, slightly compressed, never rooting at nodes. Leaves: basal several, cauline 1–3; auricles absent, or essentially so; blade flat, 0.5–3 dm × 1.5–4 mm. Inflorescences glomerules 1–5, each with (8–) 10–30 flowers, congested to open, 2–6 cm; primary bract shorter than inflorescence. Flowers: tepals dark-brown with green midstripe, lanceolate, 4–6 mm, margins scarious, occasionally papillose; inner series slightly shorter; stamens 6, filaments 1–1.3 mm, anthers 1–1.5 mm; style 0.6 mm. Capsules tan or darker, 3-locular, obovoid, 3–5 mm, shorter than perianth. Seeds ovoid, body 0.6–0.8 mm, tails 0.2–0.4 mm.


Phenology: Flowering and fruiting summer.
Habitat: Moist to wet meadows in montane or subalpine areas
Elevation: 540–3000 m

Distribution

V22 257-distribution-map.jpg

Alta., B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Juncus regelii"
persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Ralph E. Brooks* +  and Steven E. Clemants* +
Buchenau +
channeled;terete;flat +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
darker +  and tan +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Regel's rush +
compressed +
Alta. +, B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
540–3000 m +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
arranged +  and cluster +
headlike +
Moist to wet meadows in montane or subalpine areas +
pseudoaxillary +  and terminal +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
cauline +  and basal +
3 +  and 1 +
papillose +
green;brown or purplish black +
persistent +
Flowering and fruiting summer. +
parietal +  and axile +
Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie +
green;brown or purplish black +
persistent +
generally longer +
0.6 cm6 mm <br />0.006 m <br /> (?) +
Juncus jonesii +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Juncus regelii +
Juncus subg. Graminifolii +
species +
lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +