Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Coreopsis at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (5/21/15):
Coreopsis major var. rigida
FAMILY
Asteraceae
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Coreopsis major
FAMILY
Asteraceae
INCLUDING & INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-69-009b:
Coreopsis major var. stellata
FAMILY
Asteraceae
INCLUDING
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Coreopsis major var. stellata
INCLUDING
Gray's Manual of Botany (Fernald, 1950)
Coreopsis major var. rigida
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933)
Coreopsis major
COMMON NAME:
Whorled Coreopsis, Stiffleaf Coreopsis, Greater Tickseed, Whorled Tickseed
Click or hover over the thumbnails to see larger pictures.
JK Marlow jkm120525_496
May Oconee County SC
Rays yellow and not (or inconspicuously) toothed; disc flowers yellow or red, per Vascular Flora of the Carolinas.
JK Marlow jkm120525_499
May Oconee County SC
Outer involucral bracts oblong or oblanceolate, 2-10mm; inner lanceolate 5-8mm, per Vascular Flora of the Carolinas.
COMPARE
involucral bracts of Bidens and Coreopsis
JK Marlow jkm160629_123
June McCormick County SC
The leaves of this depauperate individual are not 3-parted.
JK Marlow s040610_ab
June Greenville County SC
Roadside
The opposite paired leaves are so deeply cut they resemble 6 whorled leaves, per Great Smoky Mountains Wildflowers.
COMPARE
leaves of Indian Cucumberroot, Starry Campion, Whorled Coreopsis and Loosestrife
JK Marlow jkm150712_421
July Pickens County SC
Table Rock State Park
Middle leaflet of median leaves 5-10(12)mm wide [narrower than var. major], per Weakley's Flora (2015).
Tim Spira tps_cmajor2
July
The recognition of [C. major] varieties is problematic and controversial, per Weakley's Flora.
JK Marlow jkm120812_427b
August Greenville County SC
Ashmore Heritage Preserve
Outer phyllaries slightly short-pubescent to glabrous, per Weakley's Flora (2015).
JK Marlow jkm061029_020
October Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
Stems and leaves glabrous, or essentially so, per Vascular Flora of the Carolinas.