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Amphicarpum muhlenbergianum

Copyright by: Grasses, Sedges and Rushes of Palm Beach and Martin Counties, Florida website.

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations.

Ecological Restoration Notes: An occasional element in a variety of freshwater wetlands.

Availability: Grown by one or two native plant nurseries in South Florida.

Description: Medium herbaceous grass.

Dimensions: Typically 1-2 feet in height. Spreading by horizontal stems (stolons) and forming large patches.

Growth Rate: Moderate.

Range: Southeastern United States south to Miami-Dade and Collier counties.

Plant Map Map of select IRC data from peninsular Florida.

 Map of ZIP codes with habitat recommendations from the Monroe County Keys north to Martin and Charlotte counties.

Habitats: Wet pinelands, cypress swamps, marshes and wet disturbed sites.

Soils: Wet to moist, moderately well-drained sandy soils, without humusy top layer.

Nutritional Requirements: Low; it grows in nutrient poor soils and may become aggressive with excess nutrients.

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

Salt Wind Tolerance: Low; salt wind may burn the leaves.

Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.

Light Requirements: Full sun.

Flower Color: Brownish inflorescence.

Flower Characteristics: Inconspicuous.

Flowering Season: Fall.

Fruit: Inconspicuous caryopsis.

Wildlife and Ecology: The above ground flowers are sterile; fertile flowers are borne below ground on slender subterranean branches.

Horticultural Notes: Can be grown by division.

Copyright by: Grasses, Sedges and Rushes of Palm Beach and Martin Counties, Florida website.

Copyright by: Shirley Denton

Other data on Amphicarpum muhlenbergianum available from:

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