On infested rangeland, livestock typically avoid grazing plants. Yellow toadflax has been used medicinally and as a dye and can harbor cucumber mosaic and broad bean wilt viruses. Both species are native to the Mediterranean region. Compete poorly with established vegetation for soil moisture. Seedlings that have lost their cotyledons resemble new shoots from roots.
Seedlings initially develop a taproot.
No description available. Often unable to survive rapid or extreme temperature changes. Cotyledons lanceolate, 4-10 mm long, pale green, with a slightly powdery film. Stems typically branched near the top. Leaves primarily alternate, but crowded and often appearing opposite or whorled, especially near the bases of stems.