Dalmatian toad-flax is a perennial wildflower with erect, branched stems from 40-70 cm high arising from spreading horizontal roots. The herbage of the leaves and stems is glabrous and glaucous. The leaves alternate along the stems and are ovate to lance-ovate in shape with sessile, clasping bases. They range from 2-4 cm long and from 10-16 mm wide. They are palmately veined.
The inflorescence is an elongate raceme. The calyx is 5-7.5 mm long with subequal lobes. The yellow corolla is strongly two-lipped with the upper lip from 10-15 mm long and the lower lip from 5-11 mm long. The palate closes off the throat and is densely white-to orange-bearded. The long spur is 9-17 mm long while the rest of the corolla is 14-24 mm long.
Dalmatian toad-flax is found in disturbed, weedy places along roadsides and in disturbed fields.
Dalmatian toad-flax is an introduced species commonly found across the western United States. It is native to the Mediterranean region.
Dalmatian toadflax observed in roadside gravels along the Fishtrap-Sprague Highway near the junction with Miller Ranch Road East......June 28, 2020.