Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera glauca
FAMILY
Onagraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Very distinctive and unlikely to be confused with any other members of the complex; glabrous throughout, strongly glaucous on leaves and inflorescence, per Weakley's Flora (2022)
(?) INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Oenothera fruticosa ssp. tetragona
FAMILY
Onagraceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera fruticosa ssp. tetragona
INCLUDED WITHIN Flora of North America
Oenothera fruticosa ssp. glauca
INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Oenothera fruticosa ssp. glauca
INCLUDED WITHIN Onagraceae (Munz, 1965)
Oenothera tetragona ssp. glauca
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Kneiffia glauca
COMMON NAME:
Sundrops
To see larger pictures, click or hover over the thumbnails.
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_kngl_001_lvd
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera glauca
FAMILY
Onagraceae
(?) INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Oenothera fruticosa ssp. tetragona
FAMILY
Onagraceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera fruticosa ssp. tetragona
INCLUDED WITHIN
Flora of North America
Oenothera fruticosa ssp. glauca
INCLUDED WITHIN
Floristic Synthesis of North America (Kartesz, 1999)
Oenothera fruticosa ssp. glauca
INCLUDED WITHIN
Onagraceae (Munz, 1965)
Oenothera tetragona ssp. glauca
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Kneiffia glauca
4660
Forb
Perennial
Habitat: Cliffs, rocky streambanks, moist forests over sedimentary rock, per Weakley's Flora
Native north of the Carolinas & Georgia
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:
Capsule
TO LEARN MORE about this plant, look it up in a good book!