Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Genus: Quercus
Subgenus: Cerris
Section: Cerris ("East Asia group")
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus acutissima
FAMILY
Fagaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Read Edible Wild Plants: Oak from Lytton Musselman and the Southern Appalachian Botanical Society.
Read more about Quercus at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus acutissima
FAMILY
Fagaceae
COMMON NAME:
Sawtooth Oak
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow jkm080410_002
April Lexington County SC
Parking lot
)
JK Marlow jkm080410_004
April Lexington County SC
Parking lot
Acorn cup with a fringed rim of elongated scales, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
)
JK Marlow jkm080410_009
April Lexington County SC
Parking lot
Bark furrowed, per Trees of the Southeastern United States (Duncan & Duncan, 1988).
)
JK Marlow jkm080410_011
April Lexington County SC
Parking lot
)
JK Marlow jkm080410_013b
April Lexington County SC
Parking lot
Leaves resemble those of Castanea, with awn-terminated marginal teeth, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
COMPARE
leaves of Chestnut and Sawtooth Oak
)
JK Marlow s080410_a
April Lexington County SC
Parking lot
)
JK Marlow s030800_a
August Williamsburg County SC
Evenly spaced lateral veins, ending in bristle-tipped teeth, per Trees of the Southeastern United States (Duncan & Duncan, 1988).
)
Richard and Teresa Ware rtw_quercus_acutissima_3
September
)
Richard and Teresa Ware rtw_quercus_acutissima_4
September
)
JK Marlow jkm081019_001
October Oconee County SC
Bad Creek
)
JK Marlow jkm081019_003
October Oconee County SC
Bad Creek
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus acutissima
FAMILY
Fagaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus acutissima
FAMILY
Fagaceae
1180
Tree
Perennial
Monoecious
Habitat: Commonly cultivated as a suburban street tree and also widely planted in ‘wildlife food plots’, rarely naturalizing, per Weakley's Flora
Non-native: Japan
Rare
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.)
This plant is causing problems in natural areas outside its native range, according to authorities such as:
- Alabama Invasive Plant Council, 2012
- Brooklyn Botanic Garden
- Georgia Exotic Pest Plant Council, 2006
- Kentucky Exotic Pest Plant Council, 2013
- SC Exotic Pest Plant Council, 2014
- US Fish & Wildlife Service
LEAVES:
Deciduous
Simple
Alternate, 5-ranked
FLOWER:
Spring
Unisexual
Staminate calyx 2-8 lobed, pistillate calyx 6-lobed
Petals absent
3-12 stamens in staminate flowers
Staminate flowers in clustered drooping catkins
FRUIT:
Summer/Fall
Acorn
TO LEARN MORE about this plant, look it up in a good book!
- Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007) p117
- Trees of the Southeastern United States (Duncan & Duncan, 1988) p283
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p266