Juncus lesueurii

Bolander

Proceedings of the California Academy of Sciences 2: 179. 1863 (as leseurii).

Common names: Lesueur's rush
Endemic
Synonyms: Juncus balticus subsp. pacificus Engelmann Juncus lesueurii var. tracyi Jepson
Treatment appears in FNA Volume 22.
Revision as of 23:50, 29 July 2020 by imported>Volume Importer
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Herbs, perennial, 3–14 dm. Rhizomes long creeping. Culms erect, 1–3 mm diam. Cataphylls several. Leaves: blade absent. Inflorescences lateral, 3–many-flowered, mostly loose; primary bract much longer than inflorescence. Flowers variously pedicellate; bracteoles membranous; tepals green, lanceolate, 5–8 mm, margins brown; inner series loosely subtending capsule at maturity, usually slightly shorter, margins scarious to clear, acutish; stamens 6, filaments 0.2–1.1 mm, anthers 0.9–2.3 mm; style 1–1.5 mm. Capsules 3-locular, oblate to narrowly ovoid, 4–7 mm, shorter than or nearly equal to perianth. Seeds dark amber, oblate to ellipsoid, 0.4–0.7 mm.


Phenology: Flowering and fruiting summer.
Habitat: Borders of salt or freshwater marshes and usually near dunes along the coast
Elevation: 0–500 m

Distribution

V22 10-distribution-map.jpg

B.C., Calif., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Juncus lesueurii"
persistent +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Ralph E. Brooks* +  and Steven E. Clemants* +
Bolander +
channeled;terete +
oblate;narrowly ovoid +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Lesueur's rush +
B.C. +, Calif. +, Oreg. +  and Wash. +
0–500 m +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
arranged +  and cluster +
headlike +
Borders of salt or freshwater marshes and usually near dunes along the coast +
3 +  and 1 +
green;brown or purplish black +
persistent +
Flowering and fruiting summer. +
parietal +  and axile +
Proceedings of the California Academy of Sciences +
dark amber +
oblate;ellipsoid +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
green;brown or purplish black +
persistent +
generally longer +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.15 cm1.5 mm <br />0.0015 m <br /> (?) +
Juncus balticus subsp. pacificus +  and Juncus lesueurii var. tracyi +
Juncus lesueurii +
Juncus subg. Genuini +
species +
lanceolate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +