- Encelia
Taxobox
name = "Encelia"
image_width = 250px
image_caption = "Encelia farinosa "
regnum =Plant ae
divisio = Magnoliophyta
classis =Magnoliopsida
ordo =Asterales
familia =Asteraceae
tribus =Heliantheae
genus = "Encelia"
genus_authority = Adans.
subdivision_ranks = Species
subdivision = See text."Encelia" is a
genus of the plant familyAsteraceae . It consists ofshrub s (and onegeophyte ) of arid environments in southwesternNorth America and westernSouth America . All have n = 18 chromosomes. With the exception of the South American species, all are obligate outcrossers. In cultivation, the species readily form fertileF1 hybrid s, F2s, and backcrosses, but in natural areas ofsympatry , F2s and backcrosses are absent or rare."Encelia" species are used as food plants by the
larva e of someLepidoptera species including the leaf-miner "Bucculatrix enceliae" which feeds exclusively on "Encelia farinosa".The phylogenetic sister group of "Encelia" is a clade comprising the genera "
Enceliopsis " and "Geraea ". The three genera are informally called the "Encelia alliance".;Species
*"Encelia actoni " Elmer
*"Encelia asperifolia " (S.F.Blake) C. Clark & Kyhos
*"Encelia californica " Nutt.
*"Encelia canescens " Lam.
*"Encelia conspersa " Benth.
*"Encelia densifolia " C. Clark & Kyhos
*"Encelia farinosa " Torr. & A.Gray var. "farinosa" - Brittlebush
**"Encelia farinosa " Torr. & A.Gray var. "phenicodonta" (S.F.Blake) I.M.Johnston
**"Encelia farinosa " Torr. & A.Gray var. "radians" T.S.Brandegee
*"Encelia frutescens " A.Gray ssp. "frutescens"
**"Encelia frutescens " A.Gray ssp. "glandulosa" C. Clark
*"Encelia halimifolia " Cav.
*"Encelia nutans " Eastwood
*"Encelia palmeri " Vasey & Rose
*"Encelia ravenii " Wiggins
*"Encelia resinifera " C. Clark ssp. "resinifera"
**"Encelia resinifera " C. Clark ssp. "tenuifolia" C. Clark
*"Encelia ventorum " T.S. Brandegee
*"Encelia virginensis " A. Nels.;Hybrids
*"Encelia × laciniata " Vasey & RoseReferences
* [http://www.csupomona.edu/~jcclark/encelia/ Encelia and its relatives]
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