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 macrocarpa var. macrocarpa
FAMILY
Fagaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read Edible Wild Plants: Oak from Lytton Musselman and the Southern Appalachian Botanical Society.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus macrocarpa var. macrocarpa
FAMILY
Fagaceae
INCLUDED WITHIN
Flora of North America
Quercus macrocarpa
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus macrocarpa
COMMON NAME:
Bur Oak, Mossycup Oak
To see larger pictures, click or hover over the thumbnails.
)
Richard and Teresa Ware rtw_quercus_macrocarpa
May MA
Arnold Arboretum
)
Richard and Teresa Ware rtw_quercus_macrocarpa_2
May MA
Arnold Arboretum
Bark dark grayish-brown, rough, with deep furrows and prominent ridges, per Native Trees of the Southeast, An Identification Guide.
)
Richard and Teresa Ware rtw_quercus_macrocarpa_3
May MA
Arnold Arboretum
Bark more vertically ridged and darker brown than that of White Oak, per Native Trees of the Southeast, An Identification Guide.
)
)
JK Marlow s060618_a
June Pickens County SC
Clemson University
)
JK Marlow s060618_b
June Pickens County SC
Clemson University
Leaves often fiddle-shaped, smooth shiny dark green above, pale hairy below, per Native Trees of the Southeast, An Identification Guide.
)
JK Marlow jkm111015_010016
October
Cup's grayish pubescent scales form a fringe around & enclose 1/2-7/8 of nut, per Field Guide to Native Oak Species of Eastern North America.
)
JK Marlow s101017_buroak
October Mecklenburg County NC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus macrocarpa var. macrocarpa
FAMILY
Fagaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus macrocarpa var. macrocarpa
FAMILY
Fagaceae
INCLUDED WITHIN
Flora of North America
Quercus macrocarpa
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Quercus macrocarpa
2084
Tree
Perennial
Monoecious
Native: north & west of the Carolinas & Georgia
Waif(s)
Habitat: Rich bottomland forests, sometimes in drier forests, woodlands, oak savannas, and prairie edges, and then usually over limestone or other calcareous rocks, per Weakley's Flora
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!
- Gardening with the Native Plants of Tennessee p309
- Identifying Trees: An All-Season Guide to Eastern North America p302
- Field Guide to Native Oak Species of Eastern North America p054
- Native Trees of the Southeast, An Identification Guide p179
- Trees of the Southeastern United States p279
- Woody Plants of the Southeastern US: A Winter Guide p272