Difference between revisions of "Sesuvium maritimum"

(Walter) Britton

Prelim. Cat., 20. 1888.

Common names: Annual sea-purslane slender sea-purslane
Basionym: Pharnaceum maritimum Walter Fl. Carol., 117. 1788
Synonyms: Sesuvium pentandrum Elliott
Treatment appears in FNA Volume 4. Treatment on page 80. Mentioned on page 81.
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|species=Sesuvium maritimum

Latest revision as of 21:56, 5 November 2020

Plants annual, papillate, glabrous. Stems prostrate to ascending, usually copiously branched, 1–4 dm; not rooting at nodes. Leaves: petiole clasping; blade spatulate to ovate, 1–2.5 cm, base tapering. Inflorescences: flowers usually solitary; pedicel usually absent or to 1 mm. Flowers: calyx lobes pink or purple adaxially, with subapical abaxial appendages, ovate, 3 mm; stamens 5; pistil 2–3-carpellate; ovary 2–3-loculed; styles 2–3. Capsules ovoid, 4–5 mm. Seeds 30–50, blackish brown, 1 mm, iridescent, smooth.


Phenology: Flowering summer–fall (year-round in se Tex).
Habitat: Sandy shores, beaches, dune swales, brackish marshes, banks along or near coasts, waste grounds, ballast
Elevation: 0-100 m

Distribution

V4 164-distribution-map.gif

Ala., Del., Fla., Ga., Kans., La., Md., Miss., N.J., N.Y., N.C., Okla., Pa., S.C., Tex., Va., West Indies.

Discussion

Sesuvium maritimum is often overlooked in coastal environments, perhaps due to the small size of some individuals, particularly in the northern portions of its distribution. Nonetheless, this species appears to be infrequent (and possibly in decline) in coastal environments of northern states (e.g., Delaware, Maryland, New Jersey, and New York), where development of the coast has impacted sensitive environments. This species is also present in Kansas and Oklahoma but its distribution in those states is currently not well known.

The name Sesuvium sessile Persoon has been misapplied to this species.

Selected References

None.

Lower Taxa

None.
... more about "Sesuvium maritimum"
Wayne R. Ferren Jr. +
(Walter) Britton +
Pharnaceum maritimum +
Annual sea-purslane +  and slender sea-purslane +
Ala. +, Del. +, Fla. +, Ga. +, Kans. +, La. +, Md. +, Miss. +, N.J. +, N.Y. +, N.C. +, Okla. +, Pa. +, S.C. +, Tex. +, Va. +  and West Indies. +
0-100 m +
Sandy shores, beaches, dune swales, brackish marshes, banks along or near coasts, waste grounds, ballast +
Flowering summer–fall (year-round in se Tex). +
Prelim. Cat., +
Sesuvium pentandrum +
Sesuvium maritimum +
Sesuvium +
species +