امیرحسین پهلوانی - Department of Botany, Iranian Research Institute of Plant Protection, P.O. Box ۱۴۵۴, Tehran ۱۹۳۹۵, Iran (E-mail: amirpahlevani@yahoo.com)

During the study on newly collected and herbarium specimens belonging to the genus Euphorbia, three species, namely, E. gorenfloti, E. cheirolepioides and E. splendida were found to be synonymous with E. chamaepeplus, E. grossheimii and E. decipiens, respectively. Euphorbia sahendi as an interesting and rare species has been recognized after long time again among my material and Euphorbia deltobracteata is reported as a new record for the flora of Iran. Morphological characteristics, distribution, phytochoria and habitat of each species are reported. All these species are also illustrated.

Endemic, new record, Rare plant, Reinvestigation, Synonymous, flora of Iran