Asclepias variegata Linnaeus, Species Plantarum 1: 215. 1753.

"Habitat in America boreali." RCN: 1776.

Lectotype (Rendle in Proc. Linn. Soc. London 148: 63. 1936): [icon] " Apocynum American, erectum, tuberosa radice non incanum, foliis rigidioribus, latis, subrotundis, floribus alb. intus purpureis, summo cauli Corymbum magnum efformantibus" in Plukenet, Phytographia: t. 77, f. 1. 1691; Almag. Bot.: 34. 1696. - Typotype: Herb. Sloane 95: 57 (BM-SL) .

Current name: Asclepias variegata L. ( Asclepiadaceae).

Note: Although Woodson (in Ann. Missouri Bot. Gard. 41: 62, 118. 1954) indicated 310.20 (LINN) as the type, Rendle’s choice has priority.