desert holly: handsome low saltbush of arid southwestern United States and Mexico having blue-green prickly-edged leaves often used for Christmas decoration
saltbush: any of various shrubby plants of the genus Atriplex that thrive in dry alkaline soil
phosphorus: a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms