''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''
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Distribution

The plant 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 elsew ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

, where it is known from only about 20 occurrences in

Marin Marin (French) or Marín (Spanish "sailor") may refer to: People * Marin (name), including a list of persons with the given name or surname * MaRin, in-game name of professional South Korean ''League of Legends'' player Jang Gyeong-hwan (born 19 ...

and Napa Counties. It grows in

chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...

and

closed-cone pine forest Closed-cone pine forest is a plant community of coastal California and several offshore islands. The plant community is often mono-dominant and single-aged, but dense with ladder fuels. Closed Cone forests grow in low nutrient and/or stressed soils, ...

habitats of the Northern

California Coast Ranges The Coast Ranges of California span from Del Norte or Humboldt County, California, south to Santa Barbara County. The other three coastal California mountain ranges are the Transverse Ranges, Peninsular Ranges and the Klamath Mountains. P ...

, from in elevation. It is endemic to rocky

serpentine soil Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains minerals of the serpentine subgroup, especially anti ...

s. ;Conservation The plant is an

Endangered species An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...

on the California Native Plant Society Inventory of Rare and Endangered Plants.

Description

''Navarretia rosulata'' is a hairy, glandular annual herb growing up to tall. It has a

skunk Skunks are mammals in the family Mephitidae. They are known for their ability to spray a liquid with a strong, unpleasant scent from their anal glands. Different species of skunk vary in appearance from black-and-white to brown, cream or ginge ...

y scent. The leaves are divided into many linear lobes. The

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. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a cluster of many flowers surrounded by leaflike

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 usually different from foliage leaves. They may be smaller, larger, or of ...

s and hairy, glandular

sepal A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106 The term ''sepalum'' was coined b ...

s. 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'' 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 ...

'' (''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
rosulata Endemic flora of California Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Natural history of Marin County, California Natural history of Napa County, California {{Polemoniaceae-stub