Navarretia rosulata
Encyclopedia
Navarretia rosulata is a rare species of flowering plant in the phlox family
known by the common names Marin County pincushionplant and San Anselmo navarretia. It is endemic to California
, where it is known from only about 20 occurrences in Marin
and Napa Counties
. This plant was considered a subspecies of Navarretia heterodoxa
until 1993, when it was separated and named a distinct species. It grows in coastal mountain ranges, usually in serpentine soil
s. It is a hairy, glandular annual herb growing up to 13 centimeters tall. It has a skunk
y scent. The leaves are divided into many linear lobes. The inflorescence
is a cluster of many flowers surrounded by leaflike bract
s and hairy, glandular sepal
s. The flowers are just under a centimeter long, white to lavender in color, and tube-throated.
Polemoniaceae
Polemoniaceae are a family of about 25 genera with 270-400 species of annual and perennial plants, native to the Northern Hemisphere and South America, with the center of diversity in western North America, especially in California.Only one genus is found in Europe, and two in Asia, where they...
known by the common names Marin County pincushionplant and San Anselmo navarretia. It is endemic to California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, where it is known from only about 20 occurrences in Marin
Marin County, California
Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...
and Napa Counties
Napa County, California
Napa County is a county located north of the San Francisco Bay Area in the U.S. state of California. It is coterminous with the Napa, California, Metropolitan Statistical Area. As of 2010 the population is 136,484. The county seat is Napa....
. This plant was considered a subspecies of Navarretia heterodoxa
Navarretia heterodoxa
Navarretia heterodoxa is a species of flowering plant in the phlox family known by the common name Calistoga pincushionplant. It is endemic to the San Francisco Bay Area in California, where it grows in the serpentine soils of the hills and mountains....
until 1993, when it was separated and named a distinct species. It grows in coastal mountain ranges, usually in serpentine soil
Serpentine soil
A serpentine soil is derived from ultramafic rocks, in particular serpentinite, a rock formed by the hydration and metamorphic transformation of ultramafic rock from the Earth's mantle....
s. It is a hairy, glandular annual herb growing up to 13 centimeters tall. It has a skunk
Skunk
Skunks are mammals best known for their ability to secrete a liquid with a strong, foul odor. General appearance varies from species to species, from black-and-white to brown or cream colored. Skunks belong to the family Mephitidae and to the order Carnivora...
y scent. The leaves are divided into many linear lobes. The inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...
is a cluster of many flowers surrounded by leaflike bract
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...
s and hairy, glandular sepal
Sepal
A sepal is a part of the flower of angiosperms . Collectively the sepals form the calyx, which is the outermost whorl of parts that form a flower. Usually green, sepals have the typical function of protecting the petals when the flower is in bud...
s. The flowers are just under a centimeter long, white to lavender in color, and tube-throated.