Caulanthus inflatus

Caulanthus inflatus, the desert candle, also referred to as squaw cabbage, is a flowering plant in the family Brassicaceae, native to the Mojave Desert of California and Nevada, and the southern Sierra Nevada and Transverse Ranges in the United States. It is found at elevations between 150 - 1500 m.

Description
Caulanthus inflatus is an annual plant growing up to 70 cm in height, with a thick, swollen, hollow stem that looks like a yellow candle. The basal leaves are 2–7 cm long, smaller higher up the stem. The flowers are small, with four reddish-purple petals.