saltbush

Short definition from Wiktionary

Noun

1. 1
   Any of the genus Atriplex of plants, especially Atriplex hortensis or Atriplex patula, found in dry habitats, that have edible leaves resembling spinach, including many desert and seashore plants and halophytes.
2. 2
   Sarcobatus vermiculatus (black greasewood, greasewood, seepwood)
3. 3
   Baccharis halimifolia