A new species of Amentotaxus (Taxaceae) from China, Vietnam, and Laos
Gao, Lian-Ming1; Tan, Shao-Lin1,2; Zhang, Gui-Liang3; Thomas, Philip4
Corresponding AuthorGao, Lian-Ming(gaolm@mail.kib.ac.cn)
2019-08-29
Source PublicationPHYTOKEYS
ISSN1314-2011
Issue130Pages:25-32
AbstractA new species Amentotavus hekouensis L.M. Gao is described as new to science from Hekou, Yunnan of China, Lao Cai of Vietnam and Xiang Khouang of Laos. The new species is similar to A. argotaenia (Hance) Pilg. in linear or linear-lanceolate leaves, stomatal bands white and microsporophylls 6-8, each with 4-6 pollen sacs, but differs from the latter by its larger leaf size with 8-12.5 cm x 0.9-1.4 cm (vs. 2-11 cm x 0.5-1.1 cm in A. argotaenia), long acuminate leaf apex (vs. rounded to sharply triangular in A. argotaenia), stomatal bands with 25-30 rows (vs. 15-25 rows in A. argotaenia), stomatal bands equal to or slightly narrower than marginal bands (vs. narrower than marginal bands in A. argotaenia); pollen-cone racemes borne 1-2 (vs. 2-4 (10) in A. argotaenia), cones in 12-16 pairs (vs. ca . 12 pairs in A. argotaenia). Its distinctive nature has also been confirmed through DNA barcoding analysis of this genus. The new species is provisionally assessed as endangered (EN) due to its restricted distribution, small population size and the prevalence of habitat destruction within its range.
KeywordAmentotaxus hekouensis New species Endangered species DNA barcoding China
DOI10.3897/phytokeys.130.33956
Indexed BySCI
Language英语
WOS IDWOS:000483547900002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/68663
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorGao, Lian-Ming
Affiliation1.Chinese Acad Sci, CAS Key Lab Plant Divers & Biogeog East Asia, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Kunming Coll Life Sci, Kunming 650201, Yunnan, Peoples R China
3.Adm Bur Daweishan Natl Nat Reserve, Hekou Branch, Hekou 661399, Yunnan, Peoples R China
4.Royal Bot Garden Edinburgh, 20A Inverleith Rou, Edinburgh, Midlothian, Scotland
Recommended Citation
GB/T 7714
Gao, Lian-Ming,Tan, Shao-Lin,Zhang, Gui-Liang,et al. A new species of Amentotaxus (Taxaceae) from China, Vietnam, and Laos[J]. PHYTOKEYS,2019(130):25-32.
APA Gao, Lian-Ming,Tan, Shao-Lin,Zhang, Gui-Liang,&Thomas, Philip.(2019).A new species of Amentotaxus (Taxaceae) from China, Vietnam, and Laos.PHYTOKEYS(130),25-32.
MLA Gao, Lian-Ming,et al."A new species of Amentotaxus (Taxaceae) from China, Vietnam, and Laos".PHYTOKEYS .130(2019):25-32.
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