OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera tetragona   FAMILY Onagraceae   Go to FSUS key


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

INCLUDED WITHIN Flora of North America north of Mexico, vol. 10 (2021)

Oenothera fruticosa ssp. glauca

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Oenothera fruticosa ssp. tetragona

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

Oenothera fruticosa ssp. glauca

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-010:

Oenothera tetragona   FAMILY Onagraceae

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

Kneiffia latifolia

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

Kneiffia tetragona

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

Kneiffia velutina

 

COMMON NAME:
Northern Sundrops, Appalachian Sundrops


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

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

JK Marlow    jkm070611_064

June    Henderson County    NC

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

JK Marlow    jkm070611_065

June    Henderson County    NC

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

JK Marlow    jkm070611_073

June    Henderson County    NC

Petals yellow, to 1" long, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

JK Marlow    jkm070611_077

June    Henderson County    NC

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

JK Marlow    jkm070611_078

June    Henderson County    NC

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

Patrick D. McMillan    pdmotetragona_trsp1

June    Pickens County    SC

Table Rock State Park

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

Patrick D. McMillan    pdmotetragona_trsp6

June    Pickens County    SC

Table Rock State Park

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

Patrick D. McMillan    pdmotetragona_trsp7

June    Pickens County    SC

Table Rock State Park

Hypanthium present, prolonged above the inferior ovary as a calyx tube, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

Patrick D. McMillan    pdmotetragona_brp1

June-July?        NC

Blue Ridge Parkway

Inflorescence usually erect. Petals (8-)15-35mm long, per Weakley's Flora.

image of Oenothera tetragona, Northern Sundrops, Appalachian Sundrops

Patrick D. McMillan    pdmotetragona_brp2

June-July?        NC

Blue Ridge Parkway

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera tetragona   FAMILY Onagraceae

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

INCLUDED WITHIN Flora of North America north of Mexico, vol. 10
Oenothera fruticosa ssp. glauca

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera fruticosa ssp. tetragona

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

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-010:
Oenothera tetragona   FAMILY Onagraceae

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

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

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

 

Find by SCIENTIFIC NAME:

984

Forb
Perennial

Habitat: Moist to wet meadows, woodlands, stream margins, river-scours, rocky shoals, per Weakley's Flora

Native to the Carolinas & Georgia

Uncommon in NC Mountains (rare elsewhere in GA-NC-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:
Spring/Summer
Yellow
4-lobed calyx
4 petals
8 exserted stamens
Inferior ovary

FRUIT:
Spring/Summer
Capsule

 

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



 


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