Lister’s Narrow-flowered Dahlbergia (Dalbergia confertiflora ssp. listeri)
Lister’s Narrow-flowered Dahlbergia was described in 1975, it is a large woody climbing plant that is apparently only known from the vicinity of Chittagong, the second-largest city of Bangladesh.
It has never been recorded again after its description and is considered likely extinct.
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This variety is not accepted by all botanists and is sometimes treated as a synonym of the nominate form of the Narrow-flowered Dahlbergia (Dalbergia confertiflora Benth.).
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References:
[1] M. Atiqur Rahman; M. Enamur Rashid: Status of endemic plants of Bangladesh and conservation management strategies. International Journal of Environment 2(1): 231-249. 2013
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edited: 16.05.2021