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):
Oenothera riparia   FAMILY Onagraceae   Go to FSUS key



(?) INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Oenothera fruticosa ssp. fruticosa   FAMILY Onagraceae

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

Oenothera riparia

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

Oenothera riparia

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Oenothera fruticosa ssp. fruticosa

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)

Oenothera fruticosa

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-009?:

Oenothera fruticosa   FAMILY Onagraceae

SYNONYMOUS WITH Onagraceae (Munz, 1965)

Oenothera tetragona ssp. glauca var. riparia

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

Kneiffia riparia

 

COMMON NAME:
Riverbank Evening Primrose, Riverbank Sundrops


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

image of Oenothera riparia, Riverbank Evening Primrose, Riverbank Sundrops

Patrick D. McMillan    pdmoriparia_wac

June        

Has spongy lower stems & adventitious roots where regularly submerged, per Weakley's Flora.

image of Oenothera riparia, Riverbank Evening Primrose, Riverbank Sundrops

Patrick D. McMillan    pdmo_riparia

Month Unknown        

Leaves linear-lanceolate and rather thick, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).

 

 

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

(?) INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Oenothera fruticosa ssp. fruticosa   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 10
Oenothera riparia

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

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Oenothera fruticosa ssp. fruticosa

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Oenothera fruticosa

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-009?:
Oenothera fruticosa   FAMILY Onagraceae

SYNONYMOUS WITH Onagraceae (Munz, 1965)
Oenothera tetragona ssp. glauca var. riparia

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

 

Find by SCIENTIFIC NAME:

2689

Forb
Perennial

Habitat: Freshwater tidal marshes and freshwater tidal swamp forests, non-tidal swamps, along channel margins, per Weakley's Flora

Native to the Carolinas

Uncommon in NC, rare in SC

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:
Summer
Yellow
4-lobed calyx
4 petals
8 exserted stamens
Inferior ovary

FRUIT:
Summer?
Capsule

 

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



 


Find by SCIENTIFIC NAME: