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 Ulmus at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Rosales
Manual of the Southeastern Flora (Small, 1933)
American Elm, White Elm
Click or hover over the thumbnails to see larger pictures.
John B. Nelson jbn_4449973327_134f973b98
Samara elliptical, flattened, notched at the tip, densely ciliate, per Native Trees of the Southeast, An Identification Guide.
JK Marlow jkm140625_356
June Greenville County SC
Lvs >4.5" long, tip acuminate, base unequal, margin coarsely doubly serrate, per Native Trees of the Southeast, An Identification Guide.
JK Marlow jkm060701_005
July Spartanburg County SC
('Princeton' pictured) Bark light to medium gray, moderately fissured, per Native Trees of the Southeast, An Identification Guide.
JK Marlow jkm180924_4905
September McCormick County SC
Twigs brown, finely hairy or glabrous (vs. U. rubra gray oft w tiny grooves, per Woody Plants of the Southeastern US: A Winter Guide.
Richard and Teresa Ware rtw_u_americana_elm_twig
Buds mostly 4-5mm long; scales brown, distinctly dark-edged, per Woody Plants of the Southeastern US: A Winter Guide.