Antirrhinum breweriAntirrhinum vexillocalyculatum Sairocarpus vexillocalyculatus (syn.

Antirrhinum vexillocalyculatum) is a species of New World snapdragon found only in California and occasionally Oregon.

It produces lavender snapdragon flowers 1 to 2 centimeters wide.

The flower has a prominent lower lip and it may be streaked with darker purple.

This species is most abundant in the low-elevation mountains of northern and central California, where it grows in rocky areas and especially in serpentine soil.