Juncus maritimus


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


V22 295-distribution-map.jpg

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


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


Lower Taxa

... more about "Juncus maritimus"
Ralph E. Brooks* +  and Steven E. Clemants* +
Lamarck +
Juncus sect. Juncastrum +  and Juncus subg. Juncastrum +
Seaside rush +
N.Y. +, Europe +, Asia +  and Africa. +
Coastal salt marshes, saline meadows, and sand dunes +
Flowering and fruiting summer. +
in J. Lamarck et al., Encycl. +
Juncus sect. Acuti +, Juncus sect. Maritimi +, Juncus sect. Thalassii +  and Juncus subg. Thalassii +
Juncus maritimus +
Juncus subg. Juncus +
species +