Carolinas and Georgia

1969

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

WEAKLEY'S FLORA (2/8/20):
Ludwigia grandiflora   FAMILY Onagraceae

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

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 grandiflora

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

SYNONYMOUS WITH -
Ludwigia grandiflora var. grandiflora

 

COMMON NAME:
Showy Water-primrose, Large-flower Water-primrose


map
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Look for it in ponds, lakes, sluggish waters of ditches or streams, per Weakley's Flora

Emergent aquatic (rooted); Forb
Perennial

Non-native
Documented growing wild in GA NC SC

Uncommon in Coastal Plain, rare in Piedmont


INVASIVE

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

 

Aquatic

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!



Ludwigia grandiflora   FAMILY Onagraceae

Showy Water-primrose, Large-flower Water-primrose