Leptosiphon bolanderi

Leptosiphon bolanderi (syn. Linanthus bolanderi) is a species of flowering plant in the phlox family known by the common name Bolander's linanthus.

Distribution
The plant is native to the West Coast of the United States, from 200 - 1700 m in elevation. In California it is native to the Sierra Nevada and Northern California Coast Ranges, in chaparral, oak woodland, and Yellow pine forest habitats.

Description
Leptosiphon bolanderi is an annual herb producing a hairy, threadlike stem no more than about 20 centimeters tall. The oppositely arranged leaves are each divided into very narrow needlelike lobes just a few millimeters long.

The tip of the stem has an inflorescence of usually a single flower with a tubular purple or pink throat tinted yellow inside and enclosed in glandular sepals. The corolla has white or pink lobes a few millimeters wide. The bloom period is from March to July, depending on elevation and latitude.