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.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA (11/30/12):
Quercus rubra +
FAMILY
Fagaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Quercus rubra +
FAMILY
Fagaceae
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 055-03-015:
Quercus rubra +
FAMILY
Fagaceae
COMMON NAME:
Northern Red Oak, Red Oak
Click or hover over the thumbnails to see larger pictures.
Richard and Teresa Ware rtw_quercus_rubra_2
April
Upper trunk dark gray with conspicuous lighter gray vertical streaks, per Native Trees of the Southeast, An Identification Guide.
Herbarium of Clemson University h_cu26354
May Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
Herbarium of Clemson University h_cu83520
June Pickens County SC
Var. ambigua: Leaf sinuses extending about 1/3 of the way to the midrib, per Weakley's Flora.
JK Marlow jkm0509k_21
September Transylvania County NC
Silver Run Preserve
Acorn cup thick, covering 1/4 or less of nut, which is 20-30mm long, per Woody Plants of the Southeastern US: A Winter Guide.
JK Marlow s080924_e
September Haywood County NC
Blue Ridge Parkway
Leaves evenly lobed about halfway to midrib. Leaves, twigs & buds hairless, per Woody Plants of the Blue Ridge.
COMPARE
leaves of Black, Northern Red, Scarlet and Shumard Oaks
Herbarium of Clemson University h_cu10783
October Anderson County SC
Var. rubra and ambigua tend to intergrade. Distinction may be unwarranted, per Weakley's Flora.
JK Marlow s071101_d
November Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
Var. rubra: Leaf sinuses extending about 1/4 of the way to the midrib, per Weakley's Flora.