Leptosiphon acicularis
Encyclopedia
Leptosiphon acicularis is a species of flowering plant in the phlox family
known by the common name bristly linanthus.
It is endemic to northern California
, where it is known mainly from the San Francisco Bay Area
north into the North Coast Ranges. It is a member of the flora in chaparral
, woodland, and other local habitat.
This is an annual herb producing a hairy stem no more than about 15 centimeters tall. The oppositely arranged leaves are each divided into very narrow bristlelike lobes up to a centimeter long. The tip of the stem is occupied by an inflorescence
of one or more tiny yellow flowers surrounded by many needlelike sepal
s.
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 name bristly linanthus.
It is endemic to northern 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 mainly from the San Francisco Bay Area
San Francisco Bay Area
The San Francisco Bay Area, commonly known as the Bay Area, is a populated region that surrounds the San Francisco and San Pablo estuaries in Northern California. The region encompasses metropolitan areas of San Francisco, Oakland, and San Jose, along with smaller urban and rural areas...
north into the North Coast Ranges. It is a member of the flora in chaparral
Chaparral
Chaparral is a shrubland or heathland plant community found primarily in the U.S. state of California and in the northern portion of the Baja California peninsula, Mexico...
, woodland, and other local habitat.
This is an annual herb producing a hairy stem no more than about 15 centimeters tall. The oppositely arranged leaves are each divided into very narrow bristlelike lobes up to a centimeter long. The tip of the stem is occupied by an 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...
of one or more tiny yellow flowers surrounded by many needlelike 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.