OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Decodon verticillatus   FAMILY Lythraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Decodon verticillatus   FAMILY Lythraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Decodon verticillatus

SYNONYMOUS WITH Flora of North America

Decodon verticillatus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 135-04-001:

Decodon verticillatus   FAMILY Lythraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Decodon verticillatus

 

COMMON NAME:
Water-oleander, Water-willow, Swamp Loosestrife, Peatweed


         To see larger pictures, click or hover over the thumbnails.

image of Decodon verticillatus, Water-oleander, Water-willow, Swamp Loosestrife, Peatweed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_deve_001_lvd

        

image of Decodon verticillatus, Water-oleander, Water-willow, Swamp Loosestrife, Peatweed

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_deve_004_lvd

        

image of Decodon verticillatus, Water-oleander, Water-willow, Swamp Loosestrife, Peatweed

Patrick D. McMillan    pdmdverticill_ditchpond1

August?    Aiken County    SC

Leaves lanceolate, opposite or more often in whorls of 3 or 4, per Wildflowers of Tennessee (Carman, 2005).

image of Decodon verticillatus, Water-oleander, Water-willow, Swamp Loosestrife, Peatweed

Patrick D. McMillan    pdmdverticill_ditchpond2

August?    Aiken County    SC

Petals usually more than 10mm long; styles exserted to 20mm, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Decodon verticillatus   FAMILY Lythraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Decodon verticillatus   FAMILY Lythraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Decodon verticillatus

SYNONYMOUS WITH Flora of North America
Decodon verticillatus

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 135-04-001:
Decodon verticillatus   FAMILY Lythraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Decodon verticillatus

 

Find by SCIENTIFIC NAME:

2420

Shrub
Perennial

Habitat: Natural lakes, limesink ponds, peatlands, peaty swamps, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain (rare elsewhere)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Deciduous
Simple
Opposite or whorls of 3

FLOWER:
Summer/Fall
Pink/ Purplish
5-toothed campanulate calyx, with 5 more secondary teeth
5 petals
10 stamens, of varying lengths
Superior ovary
Bisexual

Flowers in dense cymes in upper leaf axils

FRUIT:
Summer/Fall
Dark brown
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



 


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