• Photo of Persea palustris (Persea palustriss)

Plant Profile: Persea palustris

Taxonomy: Persea palustris

Names

Swamp Bay

  • Photo of Persea palustris (Persea palustriss)

Phonetic Spelling:PER-see-uh pal-US-triss

Genus:Persea

Species:palustris

Family:Lauraceae

Swamp Bay is a medium-sized evergreen tree belonging to the laurel family, indigenous to the southeastern United States and typically found in the coastal plain regions of North Carolina.

**Habitat:** It thrives in swamps, pocosins, bay forests, and maritime forests, primarily in wet, peaty soils, though it can also adapt to relatively dry, sandy soils within maritime forest ecosystems.

**Insects, Diseases, and Other Plant Issues:** This species faces a significant threat from a fungus (Ophiostoma sp.) that is spread by the Redbay Ambrosia beetle, which was introduced from Asia. A considerable number of Swamp Bay trees in southeastern North Carolina have succumbed to this issue. Additionally, the tree is vulnerable to laurel wilt.

Persea palustris Feature Summary

Persea palustris Image Gallery

Tags

#evergreen
#native tree
#NC native
#larval host plant
#evergreen tree
#food source fall
#food source herbage
#Coastal FACW
#Piedmont Mountains FACW
#bird friendly
#food source soft mast fruit
#butterfly larvae
#audubon

Similar Plants

Persea palustris Feature Summary

Attributes
Native Americans used the plant medicinally.
Southeastern U.S.A. to TX, Bahamas
This plant is a larval host for Spicebush Swallowtail and Palamedes Swallowtail. The fruit is eaten by birds and small mammals.
Fruit
Dark blue fruit on hairy reddish stalks from September to October.
Flowers
Small, light yellow-green flowers occurring in small clusters in leaf axils from May to June.
Gold/Yellow
2-3 rays/petals
Leaves
2-8 inch long and 1-2 inch wide green leaves are lanceolate with entire margins. Upper surface is dark green and shiny, undersides is a silvery-white color with an orange tinge from pubescence that occurs primarily along the midvein.
3-6 inches
Bark
The bark ranges from red to grayish-brown with irregular furrows with flat-topped ridges, quite thick.
Dark Gray
Dark Brown
Red/Burgundy
Stem
Densely rusty pubescent twigs
Hairy (pubescent)
Whole Plant Traits
Tree
Native Plant
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)
Occasionally Wet
Occasionally Dry
Coastal
7a
7b
8b
8a
9a
9b
10a
10b
11a
11b
Loam (Silt)
Sand
Landscape
Butterfly Garden
Native Garden
Butterflies
Songbirds
Frequent Disease Problems

Persea palustris Attributes

Persea palustris: Uses (Ethnobotany)

Native Americans used the plant medicinally.

Persea palustris: Country Or Region Of Origin

Southeastern U.S.A. to TX, Bahamas

Persea palustris: Wildlife Value

This plant is a larval host for Spicebush Swallowtail and Palamedes Swallowtail. The fruit is eaten by birds and small mammals.

Persea palustris: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Persea palustris Fruit

Persea palustris: Fruit Description

Dark blue fruit on hairy reddish stalks from September to October.

Persea palustris: Fruit Type

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

Persea palustris: Fruit Color

grass
Blue

Persea palustris: Display/Harvest Time

Fall
Spring
Summer
Winter

Persea palustris Flowers

Persea palustris: Flower Description

Small, light yellow-green flowers occurring in small clusters in leaf axils from May to June.

Persea palustris: Flower Color

filter_vintage
Gold/Yellow

Persea palustris: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Persea palustris: Flower Bloom Time

Winter
Spring
Summer
Fall

Persea palustris: 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

Persea palustris Leaves

Persea palustris: Leaf Description

2-8 inch long and 1-2 inch wide green leaves are lanceolate with entire margins. Upper surface is dark green and shiny, undersides is a silvery-white color with an orange tinge from pubescence that occurs primarily along the midvein.

Persea palustris: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Persea palustris: Leaf Color

spa
Green

Persea palustris: Leaf Type

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

Persea palustris: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Persea palustris: Leaf Margin

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

Persea palustris: Hairs Present

No
Yes

Persea palustris: Leaf Length

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

Persea palustris: Leaf Feel

Fleshy
Glossy
Leathery
Papery
Prickly
Rough
Rubbery
Slippery
Smooth
Soft
Velvety
Waxy

Persea palustris Bark

Persea palustris: Bark Description

The bark ranges from red to grayish-brown with irregular furrows with flat-topped ridges, quite thick.

Persea palustris: Bark Color

grass
Dark Brown
grass
Dark Gray
grass
Red/Burgundy

Persea palustris Stem

Persea palustris: Stem Description

Densely rusty pubescent twigs

Persea palustris: Stem Is Aromatic

No
Yes

Persea palustris: Stem Surface

Corky Ridges
Covered with a powdery bloom (glaucous)
Dull
Hairy (pubescent)
Polished
Smooth (glabrous)

Persea palustris Whole Plant Traits

Persea palustris: 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

Persea palustris: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Persea palustris: 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

Persea palustris Cultural Conditions

Persea palustris: 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)

Persea palustris: Soil Drainage

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

Persea palustris: NC Region

Coastal
Mountains
Piedmont

Persea palustris: USDA Plant Hardiness Zone

thermostat
10a
thermostat
10b
thermostat
11a
thermostat
11b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Persea palustris: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Persea palustris Landscape

Persea palustris: 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

Persea palustris: 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

Persea palustris: Attracts

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

Persea palustris: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy