Toxic Desert Plants

All of these plants contain some level of toxicity that has been shown to be unhealthy for humans or livestock to consume. This toxicity may have evolved in these plants as a survival mechanism to deter foraging by wildlife. (Change the sort by selecting the header.)

48 plants found
Common Name Scientific Namesort descending Family
Mojave Prickly Poppy Argemone corymbosa Papaveraceae (Poppy Family)
Desert Milkweed Asclepias erosa Apocynaceae (Dogbane Family)
Narrow-Leaf Milkweed Asclepias fascicularis Apocynaceae (Dogbane Family)
Rush Milkweed Asclepias subulata Apocynaceae (Dogbane Family)
San Bernardino Milkvetch Astragalus bernardinus Fabaceae (Pea Family)
Scarlet Milkvetch Astragalus coccineus Fabaceae (Pea Family)
Salton Milkvetch Astragalus crotalariae Fabaceae (Pea Family)
Douglas Milkvetch Astragalus douglasii Fabaceae (Pea Family)
Lane Mountain Milkvetch Astragalus jaegerianus Fabaceae (Pea Family)
Layne's Milkvetch Astragalus layneae Fabaceae (Pea Family)
Freckled Milkvetch Astragalus lentiginosus Fabaceae (Pea Family)
Borrego Milkvetch Astragalus lentiginosus var. borreganus Fabaceae (Pea Family)
Newberry Milkvetch Astragalus newberryi Fabaceae (Pea Family)
Cedros Milkvetch Astragalus nuttallianus var. cedrosensis Fabaceae (Pea Family)
Desert Marigold Baileya multiradiata var. multiradiata Asteraceae (Sunflower Family)
Red Fruited Mahonia Berberis haematocarpa Berberidaceae (Barberry Family)
Mojave Cleomella Cleomella obtusifolia Cleomaceae (Spiderflower Family)
Dove Weed Croton setiger Euphorbiaceae (Spurge Family)
Panamint Springparsley Cymopterus panamintensis Apiaceae (Carrot Family)
Desert Thorn Apple Datura discolor Solanaceae (Nightshade Family)
Jimsonweed Datura wrightii Solanaceae (Nightshade Family)
Parish's Larkspur Delphinium parishii Ranunculaceae (Buttercup Family)
Yuma Sandmat Euphorbia setiloba Euphorbiaceae (Spurge Family)
Sticky Snakeweed Gutierrezia microcephala Asteraceae (Sunflower Family)
Common Snakeweed Gutierrezia sarothrae Asteraceae (Sunflower Family)
Heliotrope Heliotropium curassavicum var. oculatum Boraginaceae (Borage Family)
Alkali Goldenbush Isocoma acradenia Asteraceae (Sunflower Family)
California Juniper Juniperus californica Cupressaceae (Cypress Family)
Mojave Desert Parsley Lomatium mohavense Apiaceae (Carrot Family)
Arizona Lupine Lupinus arizonicus Fabaceae (Pea Family)
Bicolored Lupine Lupinus bicolor Fabaceae (Pea Family)
Bajada Lupine Lupinus concinnus Fabaceae (Pea Family)
Grape Lupine Lupinus excubitus var. excubitus Fabaceae (Pea Family)
Yellow Eyed Lupine Lupinus flavoculatus Fabaceae (Pea Family)
Summer Lupine Lupinus formosus Fabaceae (Pea Family)
Chick Lupine Lupinus microcarpus Fabaceae (Pea Family)
Mojave Royal Lupine Lupinus odoratus Fabaceae (Pea Family)
Shockley Lupine Lupinus shockleyi Fabaceae (Pea Family)
Coulter's Lupine Lupinus sparsiflorus Fabaceae (Pea Family)
Desert Tobacco Nicotiana obtusifolia Solanaceae (Nightshade Family)
Desert Mistletoe Phoradendron californicum Viscaceae (Mistletoe Family)
Mojave Desert Plum Prunus eremophila Rosaceae (Rose Family)
Castor Bean Ricinus communis Euphorbiaceae (Spurge Family)
Wild Rhubarb Rumex hymenosepalus Polygonaceae (Buckwheat Family)
Shrubby Ragwort Senecio flaccidus Asteraceae (Sunflower Family)
Silver-Leaf Nightshade Solanum elaegnifolium Solanaceae (Nightshade Family)
Prince's Plume Stanleya pinnata Brassicaceae (Mustard Family)
Desert Death Camas Toxicoscordion brevibracteatum Melanthiaceae (False-Hellebore Family)