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Giant whitetop
Rhynchospora latifolia
Cyperaceae


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.
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.


 


Roger L. Hammer
Shirley Denton
Shirley Denton
Shirley Denton
Keith A. Bradley