''Leptosiphon bolanderi'' (

syn. The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...

''Linanthus bolanderi'') is a species of flowering plant in the phlox family known by the common name Bolander's linanthus.

Distribution

The plant is native to the

West Coast of the United States The West Coast of the United States, also known as the Pacific Coast, Pacific states, and the western seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S ...

, from in elevation. In

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 ...

it is native to the

Sierra Nevada The Sierra Nevada () is a mountain range in the Western United States, between the Central Valley of California and the Great Basin. The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily ...

and 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 ...

, 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 ...

oak woodland An oak woodland is a plant community with a tree canopy dominated by oaks (''Quercus spp.''). In terms of canopy closure, oak woodlands are intermediate between oak savanna, which is more open, and oak forest, which is more closed. Although the ...

, and

Yellow pine forest Ponderosa pine forest is a plant association and plant community dominated by ponderosa pine and found in western North America. It is found from the Rocky Mountains to the Pacific Coast Ranges in the Western United States and Western Canada. In ...

habitats.

Description

''Leptosiphon bolanderi'' is an annual herb producing a hairy, threadlike stem no more than about 20 centimeters tall. The oppositely arranged leaves are each divided into very narrow needlelike lobes just a few millimeters long. The tip of the stem has an

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 ...

of usually a single flower with a tubular purple or pink throat tinted yellow inside and enclosed in 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 corolla has white or pink lobes a few millimeters wide. The bloom period is from March to July, depending on elevation and latitude.

External links

Calflora Database: ''Leptosiphon bolanderi'' (Bolander's linanthus)Jepson Manual eFlora (TJM2) treatment of ''Leptosiphon bolanderi''UC CalPhotos gallery: ''Leptosiphon bolanderi''
bolanderi Flora of California Flora of Oregon Flora of Washington (state) Flora of the Sierra Nevada (United States) Natural history of the California chaparral and woodlands Natural history of the California Coast Ranges Flora without expected TNC conservation status {{Polemoniaceae-stub