Dig deeper at SERNEC, a consortium of southeastern herbaria.
You may also want to check Trees, Shrubs, and Woody Vines of North Carolina
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Ranunculales
Click or hover over the thumbnails to see larger pictures.
JK Marlow s060520_a
May Jackson County NC
The three leaflets are coarsely toothed, per Newcomb's Wildflower Guide.
COMPARE leaves of Clematis species
JK Marlow jkm0407k_33
July Jackson County NC
3 ~ symmetrical leaflets (vs. 3-many irregular leaflets of C. viorna & crispa), per Weakley's Flora.
JK Marlow jkm0408e_23
August Greenville County SC
Bunched Arrowhead Heritage Preserve
Clematis is unique within the Ranunculaceae in having opposite leaves, per Wildflowers of the Southern Mountains.
Richard and Teresa Ware rtw_clematis_virginiana
Both this & C. terniflora have 4 white oval spreading sepals about 1/2" long, per Wildflowers of the Southern Mountains.
Richard and Teresa Ware rtw_clematis_virginiana_4
Mostly dioecious, but with some perfect flowers (polygamo-dioecious), per Weakley's Flora.
JK Marlow jkm140906_324
September Jackson County NC
Fruit a cluster of achenes with long curved feather-like tails (styles), per Woody Plants of the Blue Ridge.
COMPARE fruits that are an aggregate of achenes