''Navarretia heterodoxa'' is a species of flowering plant in the phlox family known by the common name Calistoga pincushionplant. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

to the

San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Go ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

, where it grows in the serpentine soils of the hills and mountains. It is a hairy annual herb producing a slender stem up to about 24 centimeters long. It is glandular and emits a skunky scent. The leaves are divided into threadlike or needlelike lobes. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a Plant stem, stem that is composed of a main branch or a complicated arrangement of branches. Morphology (biology), Morphologically, it is the modified part of the shoot of sperma ...

is a head of flowers lined with palmate bracts. The flowers are purple and roughly a centimeter long, their corollas divided into five lobes.

External links

Calflora Database: ''Navarretia heterodoxa'' (Calistoga navarretia, Calistoga pincushionplant)Jepson Manual eFlora (TJM2) treatment of ''Navarretia heterodoxa''UC Photos gallery — ''Navarretia heterodoxa''
heterodoxa Endemic flora of California Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Endemic flora of the San Francisco Bay Area Flora without expected TNC conservation status {{Polemoniaceae-stub