FNPS Plant Database

Rhynchospora colorata

fineleaf whitetop sedge, starrush whitetop
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

Nomenclature

Common Name:

fineleaf whitetop sedge, starrush whitetop

Synonym(s):

Dichromena colorata

Genus species:

Rhynchospora colorata

Family:

Cyperaceae

Plant Specifics

Form:

grass

Size:

1-2 ft tall by spreads many ft wide

Life Span:

Long-lived perennial

Flower Color:

white

Fruit Color:

NA

Phenology:

Fall-winter dormant. Blooms in spring.

Noted For:

Showy Flowers

Landscaping

Recommended Uses:

Can use as a groundcover in moist sites. Good in an informal savanna setting, rain garden or bioswale.

Considerations:

Availability:

Native Nurseries, Seed

Propagation:

Division, seed.

Light:

Full Sun, Part Sun

Moisture Tolerance:

Always Flooded---------------------------------Extremely Dry

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Usually moist, occasional inundation -to- Not wet but not extremely dry

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Some tolerance to salty wind but not direct salt spray

Soil or Other Substrate:

Sand, Loam, Organic

Soil pH:

Acidic

Suitable to Grow In:

8A,8B,9A,9B,10A,10B

USDA zones are based on the average annual extreme minimum winter temperature.



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Ecology

Wildlife:

Pollinators, Butterflies

Attracts bees and butterflies.  This is a sedge, and most sedges are wind pollinated, so having a showy "flower" and attracting insects is not common.

Native Habitats:

Wet flatwoods, wet prairie.

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

This is a sedge. Most Rhynchospora species are wind pollinated. The white bracts of this species attract insects.

Citations:

Salt: https://www.regionalconservation.org/beta/nfyn/plantdetail.asp?tx=Rhyncolo I



https://plants.ces.ncsu.edu/plants/rhynchospora-colorata/



Haehle, Robert G. and Joan Brookwell.  1999.  Native Florida Plants.  Gulf Publishing Company.  Houston, TX.



Huegel, Craig, N.  2012.  Native wildflowers and other ground covers for Florida landscapes. University Press of Florida, Gainesville, FL.

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