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.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Gray's Manual of Botany (Fernald, 1950)
Quercus falcata var. triloba
Southern Red Oak, Spanish Oak
Click or hover over the thumbnails to see larger pictures.
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February Greenville County SC
Bark grayish to black, roughly ridged and furrowed, per Woody Plants of the Southeastern US: A Winter Guide.
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April Pickens County SC
Staminate flowers in clustered, drooping catkins, per Vascular Flora of the Carolinas.
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April Transylvania County NC
Pistillate flowers with 3-lobed stigmas, solitary or in few-flowered spikes, per Native Trees of the Southeast, An Identification Guide.
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May Greenville County SC
Terminal lobe usually longest, per Woody Plants of the Blue Ridge.
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June Greenville County SC
Leaves grayish and densely hairy below, per Woody Plants of the Blue Ridge.
JK Marlow jkm0510a_24
October Greenville County SC
North Greenville College
Thin, pubescent, reddish-brown cup usualy covers 1/3 of the rounded nut, per Field Guide to Native Oak Species of Eastern North America.