WHAT IS ASTRAGALUS LEUCARGYREUS BORNM. AND WHERE IS ITS SYSTEMATIC POSITION

Astragalus leucargyreus Bornm. was the first time recollected from the type locality, Hamadan province after the 110 years. Morphological characters, habitat and geographical distribution are presented. Further studies showed that A. leucargyreus should be excluded from the sect. Hymenostegis Bunge and transferred to the sect. Adiaspastus Bunge, then treated as a synonymous with A. erythrolepis Boiss.. This study shows that A. leucargyreus Bornm. with its morphological feature as a valid species now is transferred from the sect. Adiaspastus to its previous the sect. Hymenostegis and excluded from synonymous status.