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Giant whitetop
Rhynchospora latifolia
Cyperaceae
 

Copyright by: Roger L. Hammer

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations. Also wet wildflower gardens.

Availability: Grown by enthusiasts.

Description: Medium herbaceous wildflower.

Dimensions: About 2-3 feet in height. Taller than broad.

Growth Rate: Moderate.

Range: Southeastern United States west to Texas and Oklahoma and south to Miami-Dade and Collier counties. Presumed to be extirpated in Miami-Dade County; very rare or perhaps extirpated in Broward County.

Map of select IRC data from peninsular Florida.

Habitats: Marshes and wet pinelands.

Soils: Wet to moist, moderately well-drained sandy soils, without humus.

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

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: White bracts.

Flower Characteristics: Showy.

Flowering Season: Spring-summer.

Fruit: Inconspicuous achene.

Horticultural Notes: Can be grown from seed and divisions.


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Keith A. Bradley


Other data on Rhynchospora latifolia available from:



 
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