Orach is a common name used for a number of distinct species. Plants with the common name Orach A Atriplex argentea (Silvery Orach)Atriplex halimus (Saltbush, Sea Orach) A cont. Atriplex hastata (Hastate Orach)Atriplex hortensis (Orach) A cont. Atriplex patula (Spreading Orach) Hidden category: Common name