Donkey's tail, creeping spurge, myrtle spurge (Euphorbia myrsinites)
Scientific Name: Euphorbia myrsinites
Common Name: Donkey's tail, creeping spurge, myrtle spurge
Toxicity: Skin irritant
Flowers: Yellow clusters of flowers in spring
Description: Grows wild in foothill areas in northeastern Utah, also cultivated in rock gardens. Blue-green diamond-shaped fleshy leaves in close spiral arrangement, end with a tooth-like tip.