# Abelia

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{{short description|Genus of flowering plants}}
{{Automatic taxobox
|image = Abelia chinensis RJB1.jpg
|image_caption = ''[Abelia chinensis](/source/Abelia_chinensis)''
|taxon = Abelia
|authority = [R.Br.](/source/R.Br.) (1818)
|subdivision_ranks = Species
|subdivision = 
*''[Abelia chinensis](/source/Abelia_chinensis)'' {{small|R.Br.}}
*''[Abelia forrestii](/source/Abelia_forrestii)'' {{small|(Diels) W.W.Sm.}}
*''[Abelia macrotera](/source/Abelia_macrotera)'' {{small|(Graebn. & Buchw.) Rehder}}
*''[Abelia parvifolia](/source/Abelia_parvifolia)'' {{small|Hemsl.}}
*''[Abelia schumannii](/source/Abelia_schumannii)'' {{small|(Graebn.) Rehder}}
*''[Abelia uniflora](/source/Abelia_uniflora)'' {{small|R.Br.}}
|subdivision_ref = <ref name = powo>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30049036-2 ''Abelia'' R.Br.] ''[Plants of the World Online](/source/Plants_of_the_World_Online)''. Retrieved 25 April 2024.</ref>
}}

'''''Abelia''''' {{IPAc-en|ə|ˈ|b|iː|l|i|ə}}<ref>{{cite book|title=Sunset Western Garden Book|year=1995|pages=606–607}}</ref> is a genus of flowering plants in the honeysuckle [family](/source/Family_(taxonomy)), [Caprifoliaceae](/source/Caprifoliaceae). The genus currently includes six species native to China, Taiwan, and Vietnam.<ref name = powo/>

The [genus](/source/genus) previously contained about 30 species and [hybrids](/source/Hybrid_(biology)). [Molecular phylogenetic](/source/Molecular_phylogenetics) studies showed that the genus was not [monophyletic](/source/Monophyly).<ref name=Chri13/><ref name = Wang/> ''Abelia'' section ''Zabelia'' was raised to the genus ''[Zabelia](/source/Zabelia)'',<ref name=Chri13/> and the majority of ''Abelia'' species have been transferred to other genera, including ''[Diabelia](/source/Diabelia)'', ''[Lonicera](/source/Lonicera)'', and ''[Vesalea](/source/Vesalea)''.<ref name = powo/><ref name=Wang/>

==Description==
Species of ''Abelia'' are [shrub](/source/shrub)s from 1–6 m tall. Species from warm climates are [evergreen](/source/evergreen), and colder climate species [deciduous](/source/deciduous). The [leaves](/source/leaf) are opposite or in whorls of three, ovate, glossy, dark green, 1.5–8&nbsp;cm long, turning purplish-bronze to red in autumn in the deciduous species. The [flower](/source/flower)s appear in the upper leaf axils and stem ends, 1-8 together in a short [cyme](/source/Cyme_(botany)); they are pendulous, white to pink, bell-shaped with a five-lobed corolla, 1–5&nbsp;cm long, and usually scented. Flowering continues over a long and continuous period from late spring to fall.

Some of these species are cultivated as ornamental garden plants, and may still be described as ''Abelia'' in horticultural listings. A notable example is the hybrid ''[Abelia × grandiflora](/source/Abelia_%C3%97_grandiflora)''.

==Taxonomy==
The generic name commemorates [Clarke Abel](/source/Clarke_Abel), a keen naturalist who accompanied [Lord Amherst's unsuccessful embassy to China](/source/William_Amherst%2C_1st_Earl_Amherst) in 1816 as a surgeon, under the sponsorship of [Sir Joseph Banks](/source/Sir_Joseph_Banks). All of Abel's seeds and plants were lost in a shipwreck on the homeward voyage, however; living plants of ''Abelia chinensis'' were first imported to England in 1844 by [Robert Fortune](/source/Robert_Fortune).<ref>Alice M. Coats, ''Garden Shrubs and Their Histories'' (1964), 1992, ''s.v.'' "Abelia".</ref>

Some species placed in ''Abelia'' were transferred to ''[Linnaea](/source/Linnaea)'' at various times from 1872 onwards, but these transfers were not accepted by most botanists. [Molecular phylogenetic](/source/Molecular_phylogenetics) studies showed that a number of genera traditionally placed in the tribe Linnaeeae were closely related, but that ''Abelia'' was not monophyletic, even with ''Abelia'' section ''Zabelia'' split off as a separate genus ''[Zabelia](/source/Zabelia)''. In 2013, [Maarten Christenhusz](/source/Maarten_J._M._Christenhusz) proposed that ''Abelia'' and related genera be merged into ''Linnaea''.<ref name=Chri13/> In 2015 Wang, Landrein, ''et al.'' also found that ''Abelia'' was polyphyletic, and that ''Zabelia'' was more closely related to ''[Morina](/source/Morina)'' than to the rest of the subfamily [Linnaeoideae](/source/Linnaeoideae). They organized the Linnaeoideae into six monophyletic genera by recognizing ''[Dipelta](/source/Dipelta)'', ''[Kolkwitzia](/source/Kolkwitzia)'', and ''Linnaea'' as distinct genera, placing the former Mexican species of ''Abelia'' in the revived genus ''[Vesalea](/source/Vesalea)'', creating the new genus ''[Diabelia](/source/Diabelia)'', and leaving six Asian species in ''Abelia''.<ref name = Wang>Wang H-F, Landrein S, Dong W-P, Nie Z-L, Kondo K, Funamoto T, et al. (2015) Molecular Phylogeny and Biogeographic Diversification of Linnaeoideae (Caprifoliaceae s. l.) Disjunctly Distributed in Eurasia, North America and Mexico. PLoS ONE 10(3): e0116485. doi:10.1371/journal. pone.0116485</ref> [Plants of the World Online](/source/Plants_of_the_World_Online) accepts the circumscription of Wang, Landrein, ''et al.''.<ref name = powo/>

==Species==
Six species are accepted.<ref name = powo/>
*''[Abelia chinensis](/source/Abelia_chinensis)'' {{small|R.Br.}}
*''[Abelia forrestii](/source/Abelia_forrestii)'' {{small|(Diels) W.W.Sm.}}
*''[Abelia × grandiflora](/source/Abelia_%C3%97_grandiflora)'' {{small|(Rovelli ex André) Rehder}} (artificial hybrid of ''A. chinensis'' × ''A. uniflora'')
*''[Abelia macrotera](/source/Abelia_macrotera)'' {{small|(Graebn. & Buchw.) Rehder}}
*''[Abelia parvifolia](/source/Abelia_parvifolia)'' {{small|Hemsl.}}
*''[Abelia schumannii](/source/Abelia_schumannii)'' {{small|(Graebn.) Rehder}}
*''[Abelia uniflora](/source/Abelia_uniflora)'' {{small|R.Br.}}

===Former species and synonyms===
Species and synonyms previously placed in ''Abelia'' but now placed in other genera include:<ref name=powo/>
{{Div col|colwidth=20em}}
*''Abelia adenotricha'' = ''[Lonicera elisae](/source/Lonicera_elisae)''
*''Abelia angustifolia'' = ''[Zabelia angustifolia](/source/Zabelia_angustifolia)''
*''Abelia anhweiensis'' = ''[Zabelia dielsii](/source/Zabelia_dielsii)''
*''Abelia biflora'' = ''[Zabelia biflora](/source/Zabelia_biflora)''
*''Abelia brachystemon'' = ''[Zabelia brachystemon](/source/Zabelia_brachystemon)''
*''Abelia buchwaldii'' = [''Diabelia serrata'' f. ''buchwaldii''](/source/Diabelia_serrata)
*''Abelia buddleioides'' = ''[Zabelia buddleioides](/source/Zabelia_buddleioides)''
*''Abelia coreana'' = ''[Zabelia dielsii](/source/Zabelia_dielsii)''
*''Abelia coriacea'' = ''[Vesalea coriacea](/source/Vesalea_coriacea)''
*''Abelia corymbosa'' = ''[Zabelia corymbosa](/source/Zabelia_corymbosa)''
*''Abelia curviflora'' = ''[Diabelia sanguinea](/source/Diabelia_sanguinea)''
*''Abelia davidii'' = ''[Zabelia biflora](/source/Zabelia_biflora)''
*''Abelia dielsii'' = ''[Zabelia dielsii](/source/Zabelia_dielsii)''
*''Abelia floribunda'' = ''[Vesalea floribunda](/source/Vesalea_floribunda)''
*''Abelia grandifolia'' = ''[Vesalea grandifolia](/source/Vesalea_grandifolia)''
*''Abelia gymnocarpa'' = [''Diabelia serrata'' f. ''gymnocarpa''](/source/Diabelia_serrata)
*''Abelia hersii'' = ''[Zabelia dielsii](/source/Zabelia_dielsii)''
*''Abelia hirsuta'' = [''Vesalea floribunda'' var. ''floribunda''](/source/Vesalea_floribunda)
*''Abelia insularis'' = ''[Zabelia biflora](/source/Zabelia_biflora)''
*''Abelia integrifolia'' = ''[Zabelia integrifolia](/source/Zabelia_integrifolia)''
*''Abelia ionostachya'' = ''[Diabelia ionostachya](/source/Diabelia_ionostachya)''
*''Abelia mexicana'' = ''[Vesalea mexicana](/source/Vesalea_mexicana)''
*''Abelia mosanensis'' = ''[Zabelia tyaihyoni](/source/Zabelia_tyaihyoni)''
*''Abelia occidentalis'' = ''[Vesalea occidentalis](/source/Vesalea_occidentalis)''
*''Abelia onkocarpa'' = ''[Zabelia onkocarpa](/source/Zabelia_onkocarpa)''
*''Abelia sanguinea'' = ''[Diabelia sanguinea](/source/Diabelia_sanguinea)''
*''Abelia serrata'' = ''[Diabelia serrata](/source/Diabelia_serrata)''
*''Abelia shikokiana'' = ''[Zabelia biflora](/source/Zabelia_biflora)''
*''Abelia spathulata'' = ''[Diabelia spathulata](/source/Diabelia_spathulata)''
*''Abelia speciosa'' = [''Vesalea floribunda'' var. ''floribunda''](/source/Vesalea_floribunda)
*''Abelia splendens'' = [''Lonicera fragrantissima'' subsp. ''fragrantissima''](/source/Lonicera_fragrantissima)
*''Abelia tetrasepala'' = [''Diabelia ionostachya'' var. ''tetrasepala''](/source/Diabelia_ionostachya)
*''Abelia tomentosa'' = [''Diabelia serrata'' f. ''tomentosa''](/source/Diabelia_tomentosa)
*''Abelia tyaihyonii'' = ''[Zabelia tyaihyonii](/source/Zabelia_tyaihyonii)''
*''Abelia umbellata'' = ''[Zabelia umbellata](/source/Zabelia_umbellata)''
*''Abelia zanderi'' = ''[Zabelia dielsii](/source/Zabelia_dielsii)''
{{Div col end}}

==Cultivation==
Several species of ''Abelia'' are in cultivation. Though not fully hardy, they are easy to grow in a sheltered, sunny position. The [cultivar](/source/cultivar) 'Edward Goucher' has gained the [Royal Horticultural Society](/source/Royal_Horticultural_Society)'s [Award of Garden Merit](/source/Award_of_Garden_Merit).<ref name = RHSPF>{{cite web | url = https://www.rhs.org.uk/Plants/95223/i-Abelia-i-Edward-Goucher/Details | title = ''Abelia'' 'Edward Goucher' | publisher = RHS | website = www.rhs.org | access-date = 6 August 2019}}</ref><ref>{{cite web | url = https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf | title = AGM Plants - Ornamental | date = July 2017 | page = 1 | publisher = Royal Horticultural Society | website = www.rhs.org | access-date = 6 August 2019}}</ref>

==Allergenicity==
''Abelia'' has an [OPALS allergy scale](/source/OPALS_(Ogren_Plant_Allergy_Scale)) rating of 5 out of 10, indicating moderate potential to cause allergic reactions, exacerbated by over-use of the same plant throughout a garden.<ref name = "Ogren">{{cite book |last=Ogren |first=Thomas Leo |title=Allergy-Free Gardening |date=2000 |publisher=Ten Speed Press |location=Berkeley, California |isbn=1580081665 |url-access=registration |url=https://archive.org/details/allergyfreegarde00thom }}</ref> People allergic to [honeysuckle](/source/honeysuckle) may experience cross-reactive allergic reactions with ''Abelia''.<ref name="Ogren"/>

==References and external links==
{{Commons category}}
{{Reflist|refs=
<ref name=Chri13>{{Citation |last1=Christenhusz |first1=Maarten J.M. |date=2013 |title=Twins are not alone: a recircumscription of Linnaea (Caprifoliaceae) |journal=Phytotaxa |volume=125 |issue=1 |pages=25–32 |doi=10.11646/phytotaxa.125.1.4 |citeseerx=10.1.1.397.846 |s2cid=86036432 }}</ref>
}}

{{Taxonbar|from=Q158261}}

Category:Caprifoliaceae
Category:Caprifoliaceae genera
Category:Taxa named by Robert Brown (botanist, born 1773)

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Adapted from the Wikipedia article [Abelia](https://en.wikipedia.org/wiki/Abelia) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Abelia?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
