Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera triloba
FAMILY
Onagraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oenothera triloba
FAMILY
Onagraceae
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 10 (2021)
Oenothera triloba
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera triloba
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Lavauxia triloba
COMMON NAME:
Stemless Evening Primrose
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_latr6_001_lvd
)
Richard and Teresa Ware rtw_oenothera_triloba_31
April
No aboveground stem, with leaves & flowers arising from a stout rootstock, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera triloba
FAMILY
Onagraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oenothera triloba
FAMILY
Onagraceae
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 10
Oenothera triloba
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera triloba
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Lavauxia triloba
3740
Annual/Biennial
Habitat: limestone glades, blackbelt prairies, playas, floodplains; eastwards also in disturbed areas, per Weakley's Flora
Native to Georgia
Rare
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple - pinnatifid
Basal
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!
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p056
- Wildflowers of Tennessee (Carman, 2005) p154
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p190
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".