TAXONOMICAL STUDY FOR THE SPECIES CHENOPODIUM ALBUM L. AND CHENOPODIASTRUM MURALE L. BELONG TO AMARANTHACE (CHENOPODIACEAE ) AT BAGHDAD

The current research dealt with a comparative taxonomic study of the two types Chenopodium album L. and Chenopodiastrum murale at Baghdad , This was included cytological by calculating chromosome number sequence n=27,9. studying micro-morphological characteristics seeds fruits types, in addition to surface covering leaf part. All phenotypic were studied scanning electron microscope (SEM) Light (LM) terms shape, colour, dimensions Seed size measured program digmizer as well configuration Ch.album distinguished their dark-black color, while other type greenish-brown, fruits, helped isolate classify types. results showed variation density distribution method on presence glandular-bladder glandular hairs recorded Ch.album, for Ch.murale observed. It is worth noting that all obtained this are presented first time Iraq.