OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (4/24/22):
Ludwigia hexapetala   FAMILY Onagraceae   NEW! Click to go to FSUS key


(?) SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ludwigia grandiflora ssp. hexapetala   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America
Ludwigia hexapetala

SYNONYMOUS WITH New combinations in the Florida flora III (Ward, 2012)
Ludwigia grandiflora var. hexapetala

INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Ludwigia grandiflora

INCLUDED WITHIN Synthesis of the North American Flora (Kartesz, 1999)
Ludwigia uruguayensis

SYNONYMOUS WITH Separation of 2 species within Ludwigia uruguayensis (Zardini, Gu, Raven, 1991)
Ludwigia hexapetala

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-01-004?:
Ludwigia uruguayensis   FAMILY Onagraceae

INCLUDED WITHIN Gray's Manual of Botany (Fernald, 1950)
Jussiaea uruguayensis

 

COMMON NAME:
Common Water-primrose


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

image of Ludwigia hexapetala, Common Water-primrose

John B. Nelson    jbn_5737859077_d763e5cc88

May    Berkeley County    

Lake Moultrie

Lower stems decumbent, creeping, or floating in mats, per Weakley's Flora (2012).

image of Ludwigia hexapetala, Common Water-primrose

John B. Nelson    jbn_5738407460_ea785b8e89

May    Berkeley County    

Lake Moultrie

Ssp. hexapetala is understood to be larger flowered than ssp. grandiflora, per Observations on the Ludwigia uruguayensis Complex (Onagraceae) in the US (Nesom & Kartesz, 2000).


click here to see other plants that look similar to this COMPARE aquatic plants

image of Ludwigia hexapetala, Common Water-primrose

JK Marlow    jkm080611_026b

June    Greenville County    SC

Lake Conestee Nature Park

Sepals (8-)12-19mm long, per Weakley's Flora (2012).

image of Ludwigia hexapetala, Common Water-primrose

Richard and Teresa Ware    rtw_l_grandiflorahex

July        

Flowering stems more or less erect, pubescent with long soft hairs, per Weakley's Flora (2012).

image of Ludwigia hexapetala, Common Water-primrose

JK Marlow    jkm160914_093

September        

SE-EPPC Aquatic Plant ID Workshop

Stems sparsely to densely villous (rarely glabrous), per Weakley's Flora (2015).

image of Ludwigia hexapetala, Common Water-primrose

JK Marlow    jkm160914_169

September        

SE-EPPC Aquatic Plant ID Workshop

Primary leaves usually narrowly elliptic to oblanceolate & widest above middle, per Weakley's Flora.

 

WEAKLEY'S FLORA (4/24/22):
Ludwigia hexapetala   FAMILY Onagraceae

(?) SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ludwigia grandiflora ssp. hexapetala   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America
Ludwigia hexapetala

SYNONYMOUS WITH New combinations in the Florida flora III (Ward, 2012)
Ludwigia grandiflora var. hexapetala

INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Ludwigia grandiflora

INCLUDED WITHIN Synthesis of the North American Flora (Kartesz, 1999)
Ludwigia uruguayensis

SYNONYMOUS WITH Separation of 2 species within Ludwigia uruguayensis (Zardini, Gu, Raven, 1991)
Ludwigia hexapetala

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-01-004?:
Ludwigia uruguayensis   FAMILY Onagraceae

INCLUDED WITHIN Gray's Manual of Botany (Fernald, 1950)
Jussiaea uruguayensis

 

Find by SCIENTIFIC NAME:

3429

Emergent aquatic (rooted); Forb
Perennial

Non-native

Uncommon in Coastal Plain & SC Piedmont, rare elsewhere in GA-NC-SC

Habitat: Ponds, lakes, sluggish waters of ditches or streams, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

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


INVASIVE

This plant is causing problems in natural areas outside its native range, according to authorities such as:

 

LEAVES:
Simple
Alternate

FLOWER:
Spring/Summer/Fall
Yellow
5-6 sepals
5-6 petals
Inferior ovary

FRUIT:
Spring/Summer/Fall
Capsule

 

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



 


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