• Photo of Rhynchospora latifolia (Rhynchospora latifolias)

Plant Profile: Rhynchospora latifolia

Taxonomy: Rhynchospora latifolia

Names

Broadleaf Whitetop Sedge, Giant White Top, White Bracted Sedge, White Star Grass, White-Topped Sedge

  • Photo of Rhynchospora latifolia (Rhynchospora latifolias)

Phonetic Spelling:RIN-koh-SPOR-uh lat-ee-FOH-lee-uh

Genus:Rhynchospora

Species:latifolia

Family:Cyperaceae

The White Bracted Sedge is a native species thriving in the coastal plains, extending from North Carolina down to Florida and westward to Texas. This distinctive sedge features striking white star-shaped flowers that rise above its grass-like leaves, making it particularly effective when planted in large groups to form a stunning display of white blooms. It flowers throughout the summer and prefers conditions ranging from partial to full sunlight.

This plant thrives in moist, acidic environments, favoring sandy or peaty soils. It is ideally suited for wetland areas such as marshes, rain gardens, bogs, or the edges of ponds, and it can also be cultivated in containers.

Rhynchospora latifolia Feature Summary

Rhynchospora latifolia Image Gallery

Tags

#white
#showy flowers
#deciduous
#white flowers
#sedge
#wetlands
#grass
#pond margins
#summer flowers
#long bloom time
#star shaped flowers
#native water plant
#food source summer
#food source fall
#food source herbage
#Coastal FACW
#native sedge
#food source hard mast fruit
#bog gardens
#audubon

Similar Plants

Rhynchospora latifolia is often confused with:

Rhynchospora latifolia Feature Summary

Attributes
Coastal plain from NC to s.e. TX
AL , FL , GA , LA , MS , NC , OK , SC , TN , TX
Perennial
Fruit
Two-sided brown nutlet. Displays from June to October.
Brown/Copper
Flowers
7-10 large bracts surround the less-conspicuous yellow inflorescence. The bracts are white at the base, becoming green at the tips. They appear on a terminal head-like cluster of spikelets that overtop the leaves. Blooms from May to September
White
Gold/Yellow
Showy
Long Bloom Season
Leaves
Narrow pointed grass-like leaves are linear with entire margins. Stem leaves are smaller than basal leaves.
> 6 inches
< 1 inch
Stem
Green stems 12-36 inches
Whole Plant Traits
Native Plant
Water Plant
Ornamental Grasses and Sedges
Erect
Spreading
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Acid (<6.0)
Moist
Occasionally Wet
Frequent Standing Water
Coastal
High Organic Matter
Loam (Silt)
Sand
Landscape
Pollinator Garden
Rain Garden
Water Garden
Mass Planting
Container
Naturalized Area
Coastal
Pond
Butterflies
Pollinators
Small Mammals

Rhynchospora latifolia Attributes

Rhynchospora latifolia: Country Or Region Of Origin

Coastal plain from NC to s.e. TX

Rhynchospora latifolia: Distribution

AL , FL , GA , LA , MS , NC , OK , SC , TN , TX

Rhynchospora latifolia: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Rhynchospora latifolia: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Rhynchospora latifolia Fruit

Rhynchospora latifolia: Fruit Description

Two-sided brown nutlet. Displays from June to October.

Rhynchospora latifolia: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Rhynchospora latifolia: Fruit Color

grass
Brown/Copper

Rhynchospora latifolia: Display/Harvest Time

Fall
Spring
Summer
Winter

Rhynchospora latifolia Flowers

Rhynchospora latifolia: Flower Description

7-10 large bracts surround the less-conspicuous yellow inflorescence. The bracts are white at the base, becoming green at the tips. They appear on a terminal head-like cluster of spikelets that overtop the leaves. Blooms from May to September

Rhynchospora latifolia: Flower Color

filter_vintage
Gold/Yellow
filter_vintage
White

Rhynchospora latifolia: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Rhynchospora latifolia: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Rhynchospora latifolia: Flower Bloom Time

Winter
Spring
Summer
Fall

Rhynchospora latifolia: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Rhynchospora latifolia: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Rhynchospora latifolia Leaves

Rhynchospora latifolia: Leaf Description

Narrow pointed grass-like leaves are linear with entire margins. Stem leaves are smaller than basal leaves.

Rhynchospora latifolia: Leaf Color

spa
Green

Rhynchospora latifolia: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Rhynchospora latifolia: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Rhynchospora latifolia: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Rhynchospora latifolia: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Rhynchospora latifolia: Hairs Present

No
Yes

Rhynchospora latifolia: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Rhynchospora latifolia: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Rhynchospora latifolia Stem

Rhynchospora latifolia: Stem Description

Green stems 12-36 inches

Rhynchospora latifolia: Stem Color

grass
Green

Rhynchospora latifolia: Stem Is Aromatic

No
Yes

Rhynchospora latifolia Whole Plant Traits

Rhynchospora latifolia: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Rhynchospora latifolia: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Rhynchospora latifolia: Growth Rate

Slow
Medium
Rapid

Rhynchospora latifolia: Texture

Fine
Medium
Coarse

Rhynchospora latifolia Cultural Conditions

Rhynchospora latifolia: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Rhynchospora latifolia: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Rhynchospora latifolia: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Rhynchospora latifolia: NC Region

Coastal
Mountains
Piedmont

Rhynchospora latifolia: USDA Plant Hardiness Zone

thermostat
10a
thermostat
10b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
9a

Rhynchospora latifolia: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Rhynchospora latifolia Landscape

Rhynchospora latifolia: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Rhynchospora latifolia: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Rhynchospora latifolia: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Rhynchospora latifolia: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees