Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Yellow Flag from the Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Asparagales
WEAKLEY'S FLORA (11/30/12):
Iris pseudacorus
FAMILY
Iridaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Iris pseudacorus
FAMILY
Iridaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 046-05-005:
Iris pseudacorus
FAMILY
Iridaceae
COMMON NAME:
Yellow Flag, Water Flag, Yellow Iris
Click or hover over the thumbnails to see larger pictures.
Rob Hunnings rlh_10411C
May Greenville County SC
Lake Conestee Nature Park
The only completely yellow, large, wild iris in North america, per Invasive Plants, Guide to Identification, Impacts and Control.
Rob Hunnings rlh_10532C
May Greenville County SC
Lake Conestee Nature Park
Once established, can form dense clumps that exclude other wetland species, per Invasive Plants, Guide to Identification, Impacts and Control.
Rob Hunnings rlh_10537
May Greenville County SC
Lake Conestee Nature Park
The 3 drooping, deep yellow sepals are marked with purple-brown, per Invasive Plants, Guide to Identification, Impacts and Control.
Rob Hunnings rlh_10544
May Greenville County SC
Lake Conestee Nature Park
The 3 narrow petal-like sections are flattened branches of the style, per The Monthly Illustrator, Vol 4 (Jones, 1895).
Rob Hunnings rlh_10547
May Greenville County SC
Lake Conestee Nature Park
Sword-like flattened leaves (3/4" wide to 3' long) arise in a fan from base, per Invasive Plants, Guide to Identification, Impacts and Control.
Patrick D. McMillan pdmipseudacorus_lvl
June Avery County NC
3 short erect petals, and 3 sepals with broad rounded down-curved tips, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.