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 similis
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.
Read more about Swamp Post Oak at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus similis
FAMILY
Fagaceae
SYNONYMOUS WITH Flora of North America
Quercus similis
INCLUDED WITHIN -
Quercus stellata
COMMON NAME:
Swamp Post Oak, Bottomland Post Oak, Delta Oak
To see larger pictures, click or hover over the thumbnails.
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Ron Lance rwl_similis_lvs
September
Leaves mostly 3-lobed above middle, but variable & not with a uniform shape, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
)
Ron Lance rwl_similis_lvs2
September
Acorn cup thin, covering 1/3 to 1/2 of nut, which is about 14mm long, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Quercus similis
FAMILY
Fagaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus similis
FAMILY
Fagaceae
SYNONYMOUS WITH
Flora of North America
Quercus similis
INCLUDED WITHIN
-
Quercus stellata
2191
Tree
Perennial
Monoecious
Habitat: Hardwood flatwoods and bottomland hardwood forests, especially over calcareous or subcalcareous substrates, per Weakley's Flora
Native to Georgia, South Carolina, & possibly North Carolina
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.)
LEAVES:
Deciduous
Simple
Alternate, 5-ranked
FLOWER:
Spring/Summer
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) p092
- Trees of the Southeastern United States (Duncan & Duncan, 1988) p277
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p280