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Needleleaf witchgrass
Dichanthelium aciculare
Poaceae
 

Copyright by: Keith A. Bradley

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

Ecological Restoration Notes: A common understory grass in a wide variety of pinelands and prairies.

Availability: Grown by enthusiasts.

Description: Small herbaceous grass.

Dimensions: About 6-12 inches in height. Taller than broad.

Growth Rate: Fast.

Range: Eastern and central United States west to Texas and south to the Monroe County Keys; West Indies, Mexico, Central America and northern South America. In the Monroe County Keys, disjunct from Miami-Dade County to the pine rocklands of Big Pine Key.

Map of select IRC data from peninsular Florida.

Habitats: Pinelands.

Soils: Moist, well-drained sandy or limestone 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: Low; salt wind may burn the leaves.

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

Light Requirements: Full sun.

Flower Color: Brownish inflorescence.

Flower Characteristics: Inconspicuous.

Flowering Season: Spring-fall.

Fruit: Inconspicuous caryopsis.

Wildlife and Ecology: In central Florida, it is the larval host plant for tawny-edged skipper (Potites themistocles).


Copyright by: Keith A. Bradley

Copyright by: Shirley Denton


Other data on Dichanthelium aciculare available from:



 
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