''Bergera'' is a genus of flowering plants in the family Rutaceae. It has been included in '' Murraya'' as ''M.'' sect. ''Bergera''. Species that may be placed in the genus are native from India through southeast Asia eastwards to China and Taiwan southwards to Malesia and
New Caledonia
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. The curry tree, ''Bergera koenigii'', is one of the better known species.
Taxonomy
The genus name ''Bergera'' was first published by Johann Gerhard König in 1771. ''Bergera'' was accepted as a separate genus
for several decades after König's description, but was later united with the genus ''Murraya'' (for which ''Bergera'' had been rejected as a name). In 1986, Paul P.-H. But and co-authors separated off some species of ''Murraya'' as ''M.'' sect. ''Bergera'' based on chemical evidence. The later creation of a separate genus for the section was further supported by evidence from
pollen
Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophyt ...
morphology in 2009 and
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 ...
evidence in 2017. The genus is accepted in a 2021 classification of the family Rutaceae, which was based on a major molecular phylogenetic study of the family. ,
Plants of the World Online
Plants of the World Online (POWO) is an online database published by the Royal Botanic Gardens, Kew. It was launched in March 2017 with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by ...
continues to unite it with ''Murraya''.
Species
The genus is reported to contain ten or more species. Species of ''Murraya'' that may be placed in ''Murrya'' sect. ''Bergera'' and hence in ''Bergera'' include:
*'' Murraya crenulata'' (Turcz.) Oliv.
*''
Species that may be placed in ''Bergera'' are native from India through southeast Asia (including China) to Taiwan, Malesia and
New Caledonia
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, anthem = ""
, image_map = New Caledonia on the globe (small islands magnified) (Polynesia centered).svg
, map_alt = Location of New Caledonia
, map_caption = Location of New Caledonia
, mapsize = 290px
, subdivision_type = Sovereign st ...