Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
Carolina Thistle, Spring Thistle, Soft Thistle
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Richard and Teresa Ware rtw_c_carolinianum_1
Involucres 0.6-0.8" high, bracts appressed, only outer with short spines, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
COMPARE involucral bracts of Thistles
Richard and Teresa Ware rtw_c_carolinianum_61
Corollas pink-purple (white), throats noticeably wider than tubes, per Flora of North America.