Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Betula nigra
FAMILY
Betulaceae
Go to FSUS key
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 River Birch at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Betula nigra
FAMILY
Betulaceae
SYNONYMOUS WITH Flora of North America
Betula nigra
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 054-03-005:
Betula nigra FAMILY Betulaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Betula nigra
COMMON NAME:
River Birch, Red Birch
To see larger pictures, click or hover over the thumbnails.
Gill Newberry gn03_b_nigra_young_tree
March
Bark peeling into thin papery layers on young trees, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
JK Marlow s060405_a
April Greenville County SC
Parking lot
Staminate catkins elongate and drooping, pistillate cylindrical and upright, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
Richard and Teresa Ware rtw_betula_nigra_3
May Suffolk County MA
Arnold Arboretum
Older bark darker grayish-brown, dividing into coarser, shreddy plates, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
JK Marlow s041201_d
December Greenville County SC
Parking lot
Leaves triangularly ovate; bases truncate or angularly wedge-shaped, per Native Trees of the Southeast, An Identification Guide (Kirkman, Brown, & Leopold, 2007).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Betula nigra
FAMILY
Betulaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Betula nigra
FAMILY
Betulaceae
SYNONYMOUS WITH
Flora of North America
Betula nigra
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 054-03-005:
Betula nigra
FAMILY
Betulaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Betula nigra