[1] Navarretia sinistra produces a branching, leafy stem coated in knobby glands.
The inflorescence produces generally 2 or 3 flowers on very thin stalks.
Each flower has a pouchlike calyx of sepals which are ribbed with reddish membranous tissue between.
The tubular flower has a pink corolla and a red-streaked yellow throat.
[1] The plant is endemic to the western United States, within northern California, Nevada, and Oregon.