OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Ludwigia octovalvis   FAMILY Onagraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ludwigia octovalvis   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 10 (2021)

Ludwigia octovalvis

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

Ludwigia octovalvis

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Ludwigia octovalvis ssp. octovalvis

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)

Ludwigia octovalvis ssp. sessiliflora

SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)

Ludwigia octovalvis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Jussiaea angustifolia

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)

Jussiaea scabra

 

COMMON NAME:
Mexican Primose-willow


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

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771201

November    Richmond County    GA

Petals 4, yellow, cuneate-obovate, 1-2cm long, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771219

November    Richmond County    GA

Flowers solitary in the axils, subsessile or on stalks to about 1cm long, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra23977123

November    Richmond County    GA

Leaves nearly linear, narrowly landeolate, lanceolate, lance-elliptic, or oblanceolate, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771254

November    Richmond County    GA

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771289

November    Richmond County    GA

An herbaceous annual where frosts are severe, becoming woody below where frosts are not severe, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771314

November    Richmond County    GA

Leaf adaxial surface.

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771333

November    Richmond County    GA

Leaf abaxial surface.

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771350

November    Richmond County    GA

Seeds.

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771370

November    Richmond County    GA

Calyx segments ovate, 3-nerved, 8-14mm long, acute to acuminate apically, puberulent or hirsute, per Aquatic and Wetland Plants of Southeastern United States (Godfrey & Wooten, 1979 & 1981).

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771399

November    Richmond County    GA

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771418

November    Richmond County    GA

image of Ludwigia octovalvis, Mexican Primose-willow

Celeste Ray    cra239771433

November    Richmond County    GA

Stem.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Ludwigia octovalvis   FAMILY Onagraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ludwigia octovalvis   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 10
Ludwigia octovalvis

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

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Ludwigia octovalvis ssp. octovalvis

INCLUDING Floristic Synthesis of North America (Kartesz, 1999)
Ludwigia octovalvis ssp. sessiliflora

SYNONYMOUS WITH Aquatic & Wetland Plants of Southeastern US (Godfrey & Wooten, 1979 & 1981)
Ludwigia octovalvis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Jussiaea angustifolia

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Jussiaea scabra

 

Find by SCIENTIFIC NAME:

4652

Subshrub; Forb
Perennial/Annual

Habitat: marshes, disturbed areas, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in GA, rare in Carolinas

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

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Alternate

FLOWER:
Spring/Summer/Fall
Yellow
4 sepals?
4 petals
8 stamens
Inferior ovary

FRUIT:
Spring/Summer/Fall
Capsule

 

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



 


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