Juncus maritimus

Lamarck in J. Lamarck et al.

in J. Lamarck et al.,Encycl. 3: 264. 1789.

Common names: Seaside rush
Treatment appears in FNA Volume 22.

Herbs, perennial, 5–10 dm. Rhizomes thick. Culms closely-set along rhizomes, 2–3.5 mm diam. Cataphylls 3–5. Leaves basal, 2–4; auricles absent; blade terete, 40–60 cm × 1–2 mm. Inflorescences glomerules, to 100, each with 2–4 flowers, congested to open, 5–19 × 2–5 cm; primary bracts somewhat inflated, usually surpassing inflorescence. Flowers: tepals straw-colored; outer series 2.8–2.9 mm, apex acute; inner series elliptic, 2.3–2.5 mm, apex obtuse; stamens 6, 1.4–1.9 mm, anthers 2 times length of filaments; style 1–1.2 mm. Capsules straw-colored, 3-locular, ovoid to ellipsoid, 2.5–3.5 × 1.2– × 1.5 mm, nearly equal to slightly exceeding perianth. Seeds brown, ellipsoid, body 0.6–0.7 mm, tails 0.5–1.2 mm. 2n = 40, 48.


Phenology: Flowering and fruiting summer.
Habitat: Coastal salt marshes, saline meadows, and sand dunes

Distribution

V22 295-distribution-map.jpg

Introduced; N.Y., Europe, Asia, Africa

Discussion

It is believed that this species has not been collected in North America since the late 1800s, when it was known to occur on Long Island, New York.

Selected References

None.

Lower Taxa

None.

"timeslengthoffilaments" is not declared as a valid unit of measurement for this property."thick" is not a number.

... more about "Juncus maritimus"
persistent +
obtuse +  and acute +
Ralph E. Brooks* +  and Steven E. Clemants* +
Lamarck in J. Lamarck et al. +
Juncus sect. Juncastrum +  and Juncus subg. Juncastrum +
40 cm400 mm <br />0.4 m <br /> (60 cm600 mm <br />0.6 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
straw-colored +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
ovoid;ellipsoid +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Seaside rush +
closely-set +
2mm;3.5mm +
flattened +  and round +
N.Y. +, Europe +, Asia +  and Africa +
arranged +  and cluster +
headlike +
Coastal salt marshes, saline meadows, and sand dunes +
few-flowered +
few-to-many +
pseudoaxillary +  and terminal +
5 cm50 mm <br />0.05 m <br /> (19 cm190 mm <br />0.19 m <br />) +
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
3 +  and 1 +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.29 cm2.9 mm <br />0.0029 m <br />) +
green;brown or purplish black +
persistent +
Flowering and fruiting summer. +
parietal +  and axile +
in J. Lamarck et al.,Encycl. +
ellipsoid +
green;brown or purplish black +
persistent +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
generally longer +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.12 cm1.2 mm <br />0.0012 m <br /> (?) +
Juncus sect. Acuti +, Juncus sect. Maritimi +, Juncus sect. Thalassii +  and Juncus subg. Thalassii +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Juncus maritimus +
Juncus subg. Juncus +
species +
straw-colored +