Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Read more about Pignut Hickory at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
Flora of North America
Manual of the Southeastern Flora (Small, 1933)
Hicoria glabra var. glabra
Click or hover over the thumbnails to see larger pictures.
Ron Lance jkm110219_651
Note variation in husk thickness & dehiscence, and nut shape, size & sweetness.
Richard and Teresa Ware rtw_carya_glabra_15
Twigs moderately slender, reddish-brown, smooth, with pale lenticels, per Native Trees of the Southeast, An Identification Guide.
Richard and Teresa Ware rtw_c_glabra_silhouette_2
May Harris County GA
A tree to 70-80' tall, per Native Trees of the Southeast, An Identification Guide.
Richard and Teresa Ware rtw_carya_glabra_14
Fruit rather pear-shaped, 1-1.25" long, often with a knoblike base, per Woody Plants of the Blue Ridge.
JK Marlow jkm0509j_34
September Transylvania County NC
Silver Run Preserve
Bark typically roughly furrowed, per Woody Plants of the Southeastern US: A Winter Guide.
JK Marlow s081012_ab
October Pickens County SC
A variable species, leaves typically glabrous with 5 leaflets, per Woody Plants of the Southeastern US: A Winter Guide.
Ron Lance jkm110219_644a
Pear-shaped fruit's thin husk doesn't split to the base, oft retaining nut, per Woody Plants of the Southeastern US: A Winter Guide.
Ron Lance jkm110219_650a
The coastal plain's var. megacarpa has larger leaves & fruit, thicker husks, per Woody Plants of the Southeastern US: A Winter Guide.