Chaetopappa aurea Pentachaeta aurea is a species of flowering plant in the aster family known by the common names golden-rayed pentachaeta,[2] golden chaetopappa,[3] and golden leastdaisy.

[1] It is native to southern California, where it grows in the San Gabriel and San Bernardino Mountains and the Peninsular Ranges, and northern Baja California.

It is an annual herb with a hairy stem reaching a maximum height near 36 centimeters from a slender taproot.

The narrow linear leaves are up to 5 centimeters long but only a few millimeters wide and may be very hairy.

The flower head bears many yellow, brownish, or whitish ray florets 3 to 12 millimeters long, and has a center of many five-lobed yellow to reddish disc florets.