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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 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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