What is "rhanterium"

Rhanterium is a genus of dwarf-shrubs in the plougman's-spikenard tribe within the daisy family growing in the deserts of the Middle East and northern Africa.

1. Rhanterium adpressum Coss. & Durieu - Morocco, Algeria
2. Rhanterium epapposum Oliv. - Saudi Arabia, Oman, United Arab Emirates, Qatar, Bahrain, Kuwait, Iraq, Iran, Pakistan
3. Rhanterium suaveolens Desf. - Algeria, Libya, Tunisia