OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Genus: Quercus     Subgenus: Quercus     Section: Quercus (white oaks)    

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus austrina   FAMILY Fagaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Quercus austrina   FAMILY Fagaceae

SYNONYMOUS WITH Flora of North America

Quercus austrina

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-004:

Quercus austrina   FAMILY Fagaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Quercus alba

 

COMMON NAME:
Bluff Oak, Bastard Oak


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

image of Quercus austrina, Bluff Oak, Bastard Oak

Manual of the Trees of North America (Exclusive of Mexico) (Sargent, 1905)    mtna_i_332

        

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_Qaustrina_AltamahaRGA

September        GA

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_Qaustrina_MagSprsGA

September        GA

Magnolia Springs State Park

Leaves of mature wood 6-19 cm long [vs. those of Durand oak 4-10cm, Bigelow oak 3-6cm], per Revisiting the Taxonomic and Nomenclatural Problems of the Quercus sinuata Walter Complex (Lance, 2022).

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_QaustrinaAltamahaRGA

September        GA

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_QaustrinaAltamahaRGAb

September        GA

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_QaustrinaMagSprsGA

September        GA

Magnolia Springs State Park

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_Qaustrina_WakullaSprs

October    Wakulla County    FL

Lvs of mature wood usually w 1-3 short, symmetrical lobes per side, abaxially green, glabrous, per Revisiting the Taxonomic and Nomenclatural Problems of the Quercus sinuata Walter Complex (Lance, 2022).

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_QaustrinaWakullaSprsF

October    Wakulla County    FL

Nut ovoid, 12-20mm; cup turbinate, cupule rim tight against nut, scales thin, appressed, per Revisiting the Taxonomic and Nomenclatural Problems of the Quercus sinuata Walter Complex (Lance, 2022).

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_bluffoak_GainesvFL

November    Alachua County    FL

image of Quercus austrina, Bluff Oak, Bastard Oak

Ron Lance    rwl_QaustrinaGA

November        GA

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus austrina   FAMILY Fagaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Quercus austrina   FAMILY Fagaceae

SYNONYMOUS WITH Flora of North America
Quercus austrina

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-004:
Quercus austrina   FAMILY Fagaceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus alba

 

Find by SCIENTIFIC NAME:

2584

Tree
Perennial
Monoecious

Habitat: River bluffs, mesic hammocks, dry hammocks, natural levees of brownwater rivers, over mafic rocks, on shell or calcareous sediments, per Weakley's Flora

Native to the Carolinas & Georgia

Rare

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Deciduous
Simple
Alternate, 5-ranked

FLOWER:
Spring
Staminate calyx 2-8 lobed, pistillate calyx 6-lobed
Petals absent
3-12 stamens in staminate flowers
Unisexual

Staminate flowers in clustered drooping catkins

FRUIT:
Fall
Acorn

 

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



 


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