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Beach-elder, Seacoast marshelder
Iva imbricata
Asteraceae
 

Copyright by: George D. Gann

General Landscape Uses: Groundcover in open, coastal uplands.

Ecological Restoration Notes: An important sand binder in coastal uplands througout South Florida.

Availability: Native plant nurseries.

Description: Small shrub with spreading branches. Leaves light green, succulent and smooth.

Dimensions: Typically 2-3 feet in height. Spreading and becoming much broader than tall.

Growth Rate: Fast.

Range: Southeastern United States west to Texas and south to the Monroe County Keys; Bahamas and Cuba. Rare and scatted in the Monroe County Keys.

Map of select IRC data from peninsular Florida.

Habitats: Beach dunes, coastal strand and coastal grasslands.

Soils: Moist, well-drained sandy soils, without humus.

Nutritional Requirements: Low; it grows in nutrient poor soils.

Salt Water Tolerance: Low; does not tolerate long-term flooding by salt or brackish water.

Salt Wind Tolerance: Pioneer; grows in unconsolidated substrate in direct salt wind and spray.

Drought Tolerance: High; does not require any supplemental water once established.

Light Requirements: Full sun.

Flower Color: Green.

Flower Characteristics: Inconspicuous.

Flowering Season: Summer-fall.

Fruit: Inconspicuous yellowish-brown achenes in globular clusters.

Wildlife and Ecology: A principal sand binder in the pioneer zone of beach dunes.

Horticultural Notes: Can be grown from seed or cuttings.

Comments: It roots along the stems when covered with sand.


Copyright by: George D. Gann

Copyright by: George D. Gann

Copyright by: George D. Gann


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