Navarretia rosulata is a rare species of flowering plant in the phlox family known by the common names San Anselmo navarretia, Marin County navarretia, and Marin County pincushionplant.Calflora: Navarretia rosulata
Distribution The plant is endemic to California, where it is known from only about 20 occurrences in Marin and Napa Counties.
It grows in chaparral and closed-cone pine forest habitats of the Northern California Coast Ranges, from in elevation.
It is endemic to rocky serpentine soils.
Conservation The plant is an Endangered species on the California Native Plant Society Inventory of Rare and Endangered Plants.California Native Plant Society, Inventory of Rare and Endangered Plants (online edition, v8-02): Navarretia rosulata . accessed 28 March 2016.
Description Navarretia rosulata is a hairy, glandular annual herb growing up to tall. It has a skunky scent. The leaves are divided into many linear lobes.
The inflorescence is a cluster of many flowers surrounded by leaflike bracts and hairy, glandular sepals. The flowers are white to lavender in color, tube-throated, and just under long. The bloom period is May to July.
Taxonomy This plant was considered a subspecies of Navarretia heterodoxa (Navarretia heterodoxa ssp. rosulata) until 1993, when it was separated and named a distinct species.Day, A. G. (1993). "New taxa and nomenclatural changes in Allophyllum, Gilia, and Navarretia (Polemoniaceae)." Novon 3:4 331-40.
References
External links Calflora Database: Navarretia rosulata (San Anselmo navarretia, Marin County navarretia) Jepson Manual eFlora (TJM2) treatment of Navarretia rosulata UC CalPhotos gallery