Remirea maritima - Aubl.
Beachstar
Other Common Names: beachstar
Synonym(s): Cyperus pedunculatus (R. Br.) Kern
Taxonomic Status: Accepted
Related ITIS Name(s): Remirea maritima Aubl. (TSN 504733)
Unique Identifier: ELEMENT_GLOBAL.2.154477
Element Code: PMCYP0M010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Sedge Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Cyperaceae Remirea
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Remirea maritima
Taxonomic Comments: Distinct species. Also known as Cyperus pedunculatus and Mariscus pedunculatus, but NOT Cyperus maritimus.
Conservation Status
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NatureServe Status

Global Status: G4
Global Status Last Reviewed: 22Mar1995
Global Status Last Changed: 22Mar1995
Rounded Global Status: G4 - Apparently Secure
Reasons: Occurrences constricted by pincer action of development on one hand, and on-going erosion on remaining sites, on the other. Remirea is mentioned by Austin and Weise (Austin et al. 1977) as one of the first plants to invade eroded dune scarps. It does not appear to be any more threatened than Canavalia maritima or other moderately frequent species in foredune community.
Nation: United States
National Status: N4

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Florida (S4)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Widely distributed in tropical America. In Florida, occurs in Brevard, Indian River, St. Lucie, Martin, Palm Beach, Broward, Dade - out of 39 beach sites visited in these counties in spring 1990, Remirea present at 18, or almost 50%. Seventh most common beach species in Coastal Zone Management SE report (species table on beach dune community).

Number of Occurrences: 21 to >300

Population Size Comments: Widely distributed throughout the tropics (pantropical - Sauer, J.P., 1982. Cayman Islands Seashore Vegetation. U. of Calif. Publ. Geogr. v. 25), but not considered common. It is a dominant dune grass on beaches in southern Brazil (B92ARA01-p. 341).

Overall Threat Impact Comments: Osorio notes that this species is initially favored by clearing of other vegetation for building, since it is a pioneer colonizer (Osorio, R., pers. comm. 1989).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Widely distributed in tropical America. In Florida, occurs in Brevard, Indian River, St. Lucie, Martin, Palm Beach, Broward, Dade - out of 39 beach sites visited in these counties in spring 1990, Remirea present at 18, or almost 50%. Seventh most common beach species in Coastal Zone Management SE report (species table on beach dune community).

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States FL

Range Map
No map available.

Ecology & Life History
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Basic Description: Perennial, colonial herb of the sedge family.
Technical Description: Perennial by slender, elongate, horizontal stolons. Stem 0.5-3 dm tall, solitary or in clumps, leafy to the summit, leaf sheaths inflated, over-lapping, completely covering the stem. Leaves 2-8 cm long, 2-7 mm wide, triquetous, apex slightly thickened, spinulose-tipped, suberect, curving outward and somewhat downward. Bracts of the inflorescence 2-6, like the leaves. Spikes ovoid, dense, solitary to many, sessile, 1-2 cm long, 6-10 mm wide at base, subtended by a bracteate involucre. Spikelets numerous, spirally arranged, about 4 mm long, 1-flowered. Scales of the spikelet 3-4 mm long, shortest at base of spikelet and gradually elongating upward, lowermost scales empty, uppermost enclosing flower and achene, ovate, all thin except the uppermost, brown. Achene 2-3 mm long, about 0.7 mm wide, 3-angled, curved, apiculate, surface granular, completely enclosed by the uppermost, corky scale. (Godfrey & Wooten 1981) Perianth wanting; stamens 3; ovary sessile: style slender, deciduous; stigmas 3 (Small 1933).
Diagnostic Characteristics: The only species of its genus in our area. Stems not over 3 dm tall; leaf blades with smooth margins; flowers only 1 per spikelet; perianth absent; scales of spikelet imbricated, few; achene not white or grayish white; style base not persisting on the achene; achene not enclosed in a sac (Wunderlin 1982). "Although relatively small, this plant is conspicuous on account of the lines of starry tufts which arise at intervals from the long rootstocks which are buried in the beach sand" (Small 1933).
Duration: PERENNIAL
Reproduction Comments: Perfect flowers. Nearly all Cyperaceae are wind-pollinated (Cronquist 1981, Proctor & Yeo 1973). Possibly water-dispersed, or blown along with drifting sand.
Ecology Comments: Tolerance inferred from its habitat preferences: upper beach and foredune zone. A pioneer colonizer of newly disturbed areas.
Terrestrial Habitat(s): Sand/dune
Habitat Comments: Sandy beaches, dunes (Godfrey & Wooten 1981, Wunderlin 1982, Small 1933). Specifically, occurs in the upper beach and foredune zone: the upper beach is disturbed every year or so by storms or high tides, and the foredune is characterized by continually shifting sand and less frequent disturbance by waves (Johnson & Barbour 1990). A pioneer colonizer of eroded dune scarps and areas cleared of vegetation for building.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 24Sep1981
NatureServe Conservation Status Factors Author: Cooper, S.T.
Element Ecology & Life History Edition Date: 16Apr1996
Element Ecology & Life History Author(s): M.E. STOVER, TNC-HO; REV. L. CHAFIN, FLHP.

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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  • Austin, D.F., K. Coleman-Marois, and D.R. Richardson. 1977. Vegetation of southeastern Florida-II-V. Quart. Jour. Fla. Acad. Sci. 40(4):331-361.

  • Cronquist, A. 1981. An integrated system of classification of flowering plants. Columbia Univ. Press, New York. 1262 pp.

  • Godfrey, R.K., and J.W. Wooten. 1979. Aquatic and wetland plants of southeastern United States: Monocotyledons. Univ. Georgia Press, Athens. 712 pp.

  • Johnson, A.F., and M.G. Barbour. 1990. Dunes and Maritime Forests, pp. 429-480. in Ecosystems of Florida, R.L. Myers and J.J. Ewel (eds.), Univ. of Central Florida Press, Orlando.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.

  • OSORIO, R. 1989. FIELD REPORT FORM FOR JACQUEMONTIA RECLINATA, ATLANTIC DUNES PARK, DELRAY BEACH, PALM BEACH CO., FL. 21 OCT 1989.

  • Proctor, M., and P. Yeo. 1973. The pollination of flowers. William Collins Sons & Co. Ltd, London. 418 pp.

  • Ridley, H.N. 1930. The dispersal of plants throughout the world. L. Reeve & Co., Ltd., Ashford, Kent, United Kingdom. 744 pp.

  • Sauer, J. D. 1982. Cayman Islands seashore vegetation: A study in comparative biogeography. University of California Publications in Geography Volume 25, University of California Press, Berkeley. 161 pp.

  • Small, J.K. 1933. Manual of the southeastern flora. Two volumes. Hafner Publishing Company, New York.

  • Wunderlin, R.P. 1982. Guide to the vascular plants of central Florida. Univ. Presses Florida, Gainesville. 472 pp.

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