Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Genus: Quercus Subgenus: Quercus Section: Lobatae (red oaks)
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.
INCLUDED WITHIN Flora of North America
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-024:
Quercus marilandica FAMILY Fagaceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
To see larger pictures, click or hover over the thumbnails.
JK Marlow jkm0303h_23a
March Greenville County SC
Oaks tend to have a cluster of buds at the ends of the twigs, per The Tree Identification Book (Symonds, 1958).
JK Marlow jkm130407_978
April Columbia County GA
Pistillate flowers with 3-lobed stigmas, solitary or in few-flowered spikes, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
JK Marlow jkm130407_982
April Columbia County GA
Staminate flowers in pendulous catkins near base of current year's twig, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
JK Marlow jkm0405x_02
May Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
Leaves widest near the tip, which varies from unlobed to 3-lobed, per Woody Plants of the Blue Ridge (Lance).
Richard and Teresa Ware rtw_quercus_marilandica_3
Blackjack oak has been considered an indicator of ‘poor’ soil (from an agricultural perspective), per Weakley's Flora (2022).
JK Marlow jkm061113_009
November Greenville County SC
Acorn cup thick, covering ~1/3 nut. Nut often with pronounced apical point, per Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004).
Flora of North America
Manual of the Southeastern Flora (Small, 1933, 1938)
Habitat: Upland forests and woodlands, usually on periodically droughty soils, as over shrink-swell clays, sandstones, deep sands, sands with clay lenses, and shallow soils over acidic bedrock, per Weakley's Flora
Native to the Carolinas & Georgia
Common (uncommon in Mountains)
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.)
Staminate calyx 2-8 lobed, pistillate calyx 6-lobed
3-12 stamens in staminate flowers
Staminate flowers in clustered drooping catkins
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p257
- Identifying Trees: An All-Season Guide to Eastern North America (Williams, 2007) p276
- Landscaping with Native Trees (Sternberg & Wilson, 1995) p220
- Field Guide to Native Oak Species of Eastern North America (Stein, Binion, & Acciavatti, 2003) p058
- Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007) p181
- Guide to the Plants of Granite Outcrops (Murdy & Carter, 2000) p41
- The Sibley Guide to Trees (Sibley, 2009) p193
- Trees of the Southeastern United States (Duncan & Duncan, 1988) p282
- Woody Plants of the Blue Ridge (Lance) p24
- Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont (Spira, 2011) p257
- Woody Plants of the Southeastern US: A Winter Guide (Lance, 2004) p274
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