Abstract
Aquilaria yunnanensis S.C. Huang (Thymelaeaceae), known to be endemic to Yunnan, is recorded for the first time from Dong Son Ky Thuong Nature Reserve, Quang Ninh Province, Vietnam. A taxonomic description and DNA analysis based on our Vietnamese collections are presented, together with information on its distribution, habitat and colour photographs.
Highlights
Aquilaria Lam. (Thymelaeaceae) is a well-known important tree genus providing agarwood
Aquilaria yunnanensis was first described by S.C Huang in 1985, and this species has been supposed to be endemic in the Yunnan Province of China (Wang et al 2007; Zhang et al 2019) In 2017 and 2018, during field trips in Dong Son Ky Thuong Nature Reserve, Quang Ninh Province (Fig. 1), we collected specimens of this species
Specimens were collected from 9 individual trees of A. yunnanensis in Dong Son Ky Thuong Nature Reserve, Quang Ninh Province
Summary
Aquilaria Lam. (Thymelaeaceae) is a well-known important tree genus providing agarwood. It is endemic to the Indo-Malesia region, largely occurring from southern China throughout the Malesian region extending to the Pacific Islands (Domke, 1934), with the majority of species in Malesia (Hou, 1960). All species of the genus are currently protected under CITES regulation and are considered endangered on the IUCN Red List of Threatened Species (IUCN 2018). Aquilaria yunnanensis was first described by S.C Huang in 1985, and this species has been supposed to be endemic in the Yunnan Province of China (Wang et al 2007; Zhang et al 2019) In 2017 and 2018, during field trips in Dong Son Ky Thuong Nature Reserve, Quang Ninh Province (Fig. 1), we collected specimens of this species. DNA analysis and comparison with the specimens of the closely related species in herbarium VNF this species has been confirmed as A. yunnanensis
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