''Androsace laevigata'',

synonym A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...

''Douglasia laevigata'', known as the cliff dwarf primrose, is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

in the primrose family,

Primulaceae The Primulaceae ( ), commonly known as the primrose family (but not related to the Onagraceae, evening primrose family), are a family (biology), family of Herbaceous plant, herbaceous and woody flowering plants including some favourite garden pla ...

. It is native to the central Pacific coastal mountains of North America (west of the crest of the

Cascade Range The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington (state), Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as m ...

of British Columbia, Oregon and Washington) below elevation. Its habitat includes cliffs, rocks, and alpine.

Description

''Androsace laevigata'' is a small mat-forming

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of ...

perennial plant In horticulture, the term perennial (''wikt:per-#Prefix, per-'' + ''wikt:-ennial#Suffix, -ennial'', "through the year") is used to differentiate a plant from shorter-lived annual plant, annuals and biennial plant, biennials. It has thus been d ...

about high. The five-lobed flowers are deep pink to rose. Each lobe is mm long.

Taxonomy

''Androsace laevigata'' was first described by

Asa Gray Asa Gray (November 18, 1810 – January 30, 1888) is considered the most important American botany, botanist of the 19th century. His ''Darwiniana'' (1876) was considered an important explanation of how religion and science were not necessaril ...

in 1880 as ''Douglasia laevigata''.

Molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

studies showed that the genus ''Douglasia'' is nested within ''

Androsace ''Androsace'', commonly known as rock jasmine, is a genus of flowering plants in the family (biology), family Primulaceae, second only to ''Primula'' in the number of species. It is predominantly Arctic–alpine, with many species in the Himalay ...

'', and the transfer to ''Androsace'' by Wendelbo in 1961 is now accepted. File:Androsace laevigata 5916.jpg, Flowers File:Androsace laevigata 2462.jpg, Leaves

References

External links

* {{Taxonbar, from1=Q17244652, from2=Q15316656 laevigata Plants described in 1880 Flora of British Columbia Flora of Oregon Flora of Washington (state) Flora without expected TNC conservation status