Article

Eryngium heldreichii Boiss. (=E. bourgatii subsp. heldreichii (Boiss.) Davis) is closely related to E. davisii Kit Tan & Yıldız. The main differences are in shorter stem height, prickly petiols, prickly margin of involucral leaves, linear-lanceolate bracts, oblong-obovate fruits without ridges, small vittae in mesocarp and crystals in endocarp.