Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Genus: Quercus
Subgenus: Quercus
Section: Lobatae (red oaks)
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus incana
FAMILY
Fagaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Read Edible Wild Plants: Oak from Lytton Musselman and the Southern Appalachian Botanical Society.
Learn more from the Vascular Plants of North Carolina website.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus incana
FAMILY
Fagaceae
SYNONYMOUS WITH Flora of North America
Quercus incana
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-028:
Quercus incana FAMILY Fagaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus cinerea
COMMON NAME:
Bluejack Oak
To see larger pictures, click or hover over the thumbnails.
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Manual of the Trees of North America (Exclusive of Mexico) (Sargent, 1905) mtna_i_297
)
Bruce A. Sorrie bas_quercus_incana1
April Moore County NC; Richmond County, NC
)
Bruce A. Sorrie bas_quercus_incana3
August Moore County NC; Richmond County, NC
Lvs mostly narrowly elliptic to elliptic, rarely w short bristletipped lobes, per Trees of the Southeastern United States (Duncan & Duncan, 1988).
)
Bruce A. Sorrie bas_quercus_incana3b
August Moore County NC; Richmond County, NC
Its distinctive bristle-tipped leaves are bluish, entire, & pubescent below, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
)
Bruce A. Sorrie bas_quercus_incana5
September Moore County NC; Richmond County, NC
This oak is recognizable even at a distance by its bluish color, per Weakley's Flora (2022).
)
Bruce A. Sorrie bas_quercus_incana5b
September Moore County NC; Richmond County, NC
Acorn 10-15mm long and as wide, cup thin, covering 1/4 to nearly 1/2 of nut, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus incana
FAMILY
Fagaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus incana
FAMILY
Fagaceae
SYNONYMOUS WITH
Flora of North America
Quercus incana
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-028:
Quercus incana
FAMILY
Fagaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus cinerea
2545
Tree
Perennial
Monoecious
Habitat: Sandhills, primarily in somewhat loamier textured, submesic soils, inland from the Coastal Plain on coarse sandy alluvium or upland ridges over quartzite or other acidic rocks, per Weakley's Flora
Native to the Carolinas & Georgia
Common in Coastal Plain (rare in Piedmont)
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:
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!
- Field Guide to Native Oak Species of Eastern North America (Stein, Binion, & Acciavatti, 2003) p042
- Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007) p174
- Trees of the Southeastern United States (Duncan & Duncan, 1988) p250
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p270