Variable witchgrass
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Dichanthelium commutatum
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Poaceae
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Landscape Uses:
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Primarily recommended for natural landscapes and habitat restorations. Identified by Fair Child Tropical Botanic Garden as a native that does especially well in shade in this brochure. |
Ecological Restoration Notes: |
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Availability: |
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Grown by enthusiasts and occasionally by native plant nurseries. |
Description: |
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Small herbaceous grass. |
Height: |
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About 3-6 inches tall. As broad as tall except when in flower. |
Growth Rate: |
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Fast. |
Range: |
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Southeastern United States west to Texas and south to Miami-Dade County and the Monroe County mainland; Greater Antilles, Mexico and Central America. |
Habitats: |
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A wide variety of forests. |
Soils: |
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Moist, well-drained sandy or limestone soils, with humusy top layer. |
Nutritional Requirements: |
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Moderate; can grow in nutrient poor soils, but needs some organic content to thrive. |
Salt Water Tolerance: |
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Low; does not tolerate long-term flooding by salt or brackish water. |
Salt Wind Tolerance: |
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Moderate; grows near salt water, but is protected from direct salt spray by other vegetation. |
Drought Tolerance: |
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Low; requires moist to wet soils and is intolerant of long periods of drought. |
Light Requirements: |
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Light shade to moderate shade. |
Flower Color: |
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Brownish inflorescence. |
Flower Characteristics: |
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Inconspicuous. |
Flowering Season: |
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Spring-fall. |
Fruit: |
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Inconspicuous caryopsis. |
Wildlife and Ecology: |
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Horticultural Notes: |
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Comments: |
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