Ludwigia alternifolia L.
Onagraceae (Evening-Primrose Family)
Synonym(s): Ludwigia alternifolia var. linearifolia, Ludwigia alternifolia var. pubescens, Ludwigia alternifolia var. typica
USDA Symbol: LUAL2
A many-branched, smooth-stemmed plant with 1 short-stalked, yellow flower in each upper leaf axil.
The few other species of seedboxes in the East have sessile leaves. Seedboxes are mostly wetland plants and bear distinctive, box-like fruit, square on top and filled with many seeds. Other members of the genus do not have such fruit.
From the Image Gallery
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sep
DistributionUSA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , MI , MO , MS , NC , NE , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , WI , WV
Native Distribution: Ontario; Massachusetts and New York south to Florida, west to Texas, and north to Nebraska, Iowa, and Wisconsin.
Native Habitat: Swamps and wet soil.
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist , Wet
Soil Description: Sandy
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
From the National Suppliers DirectoryAccording to the inventory provided by Associate Suppliers, this plant is available at the following locations:
ArcheWild Native Nurseries - Quakertown, PA
Toadshade Wildflower Farm - Frenchtown, NJ
Additional resourcesUSDA: Find Ludwigia alternifolia in USDA Plants
FNA: Find Ludwigia alternifolia in the Flora of North America (if available)
Google: Search Google for Ludwigia alternifolia
MetadataRecord Modified: 2017-12-12
Research By: TWC Staff