| Leptosiphon acicularis | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Ericales |
| Family: | Polemoniaceae |
| Genus: | Leptosiphon |
| Species: | L. acicularis |
| Binomial name | |
| Leptosiphon acicularis | |
| Synonyms | |
Linanthus acicularis | |
Leptosiphon acicularis (syn. Linanthus acicularis) is a species of flowering plant in the phlox family known by the common names bristly linanthus and bristly leptosiphon.
The plant is endemic to northern California in the California Coast Ranges, from the San Francisco Bay Area northwards. It is a found below 700 metres (2,300 ft) in chaparral, oak woodland, and coastal prairie habitats.
It is a California Department of Fish and Wildlife and IUCN listed Vulnerable species, and is on the California Native Plant Society Inventory of Rare and Endangered Plants. [1]
Leptosiphon acicularis 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 has an inflorescence of one or more tiny yellow flowers surrounded by many needlelike sepals. The bloom period is April to May.
The specific epithet, acicularis, is derived from Latin and means "needle-shaped". [2]
Arctostaphylos montaraensis, known by the common name Montara manzanita, is a species of manzanita in the family Ericaceae.
Hackelia brevicula is a species of flowering plant in the borage family known by the common name Poison Canyon stickseed.
Leptosiphon androsaceus is a species of flowering plant in the phlox family known by the common name false babystars.
Leptosiphon aureus is a species of flowering plant in the phlox family known by the common name golden linanthus.
Leptosiphon ciliatus is a species of flowering plant in the phlox family known by the common name whiskerbrush.
Leptosiphon filipes is a species of flowering plant in the phlox family known by the common name thread linanthus.
Leptosiphon grandiflorus is a species of flowering plant in the phlox family known by the common names large-flower linanthus and large flowered leptosiphon.
Linanthus killipii, known by the common name Baldwin Lake linanthus, is a rare species of flowering plant in the phlox family.
Leptosiphon lemmonii is a species of flowering plant in the phlox family known by the common name Lemmon's linanthus.
Leptosiphon nudatus is a species of flowering plant in the phlox family known by the common name Tehachapi linanthus.
Leptosiphon nuttallii is a species of flowering plant in the phlox family known by the common name Nuttall's linanthus.
Leptosiphon parviflorus is a species of flowering plant in the phlox family known by the common name variable linanthus.
Leptosiphon pygmaeus is a species of flowering plant in the phlox family known by the common name pygmy linanthus.
Leptosiphon rattanii is a rare species of flowering plant in the phlox family known by the common name Rattan's linanthus.
Leptosiphon serrulatus is a rare species of flowering plant in the phlox family known by the common name Madera linanthus. It is endemic to California, where it is known from the chaparral and woodlands in the Sierra Nevada foothills, from Madera to Kern Counties.
Oenothera californica, known by the common name California evening primrose, is a species of flowering plant in the evening primrose family.
Platanthera cooperi is an uncommon species of orchid known by the common names Cooper's rein orchid and chaparral rein orchid.
Packera layneae, known by the common name Layne's ragwort and Layne's butterweed, is a rare species of flowering plant in the aster family.
Sidalcea robusta is an uncommon species of flowering plant in the mallow family known by the common name Butte County checkerbloom.
Navarretia ojaiensis is a rare species of flowering plant in the phlox family known by the common name Ojai navarretia.
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