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{{short description|Species of plant}}
{{Taxobox
{{Speciesbox
| image = Amentotaxus argotaenia 2.JPG
| image = Amentotaxus argotaenia 2.JPG
| status = NT
| status = NT
| status_system = IUCN3.1
| status_system = IUCN3.1
| status_ref = <ref name=IUCN>{{IUCN| id = 42545| taxon = ''Amentotaxus argotaenia''| assessor = Conifer Specialist Group| assessment_year = 1998| version = 2011.2| accessdate = 21 April 2012}}</ref>
| status_ref = <ref name="iucn status 12 November 2021">{{cite iucn |author=Hilton-Taylor, C. |author2=Yang, Y. |author3=Rushforth, K. |author4=Liao, W. |date=2013 |title=''Amentotaxus argotaenia'' |volume=2013 |page=e.T42545A2986540 |doi=10.2305/IUCN.UK.2013-1.RLTS.T42545A2986540.en |access-date=12 November 2021}}</ref>
| regnum = [[Plant]]ae
| genus = Amentotaxus
⚫
| species = argotaenia
| divisio = [[Pinophyta]]
⚫
| authority = ([[Henry Fletcher Hance|Hance]]) [[Robert Knud Friedrich Pilger|Pilg.]]
| classis = [[Pinopsida]]
| ordo = [[Pinales]]
| familia = [[Taxaceae]]
| genus = ''[[Amentotaxus]]''
⚫
| species = '''''A. argotaenia'''''
| binomial = ''Amentotaxus argotaenia''
⚫
| binomial_authority = ([[Henry Fletcher Hance|Hance]]) [[Robert Knud Friedrich Pilger|Pilg.]]
| synonyms =
| synonyms =
}}
}}


'''''Amentotaxus argotaenia''''', the '''catkin yew''', is a species of [[conifer]] in the [[Taxaceae]] family. It is a shrub or a small tree up to {{convert|7|m}} tall.<ref name=eflora>{{cite web|url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005489 |title=''Amentotaxus argotaenia'' |author=Liguo Fu |author2= Nan Li |author3=Robert R. Mill |last-author-amp=yes |work=Flora of China |publisher=Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA |accessdate=21 April 2012}}</ref>
'''''Amentotaxus argotaenia''''', the '''catkin yew''', is a species of [[conifer]] in the family [[Taxaceae]]. It is a shrub or a small tree up to {{convert|7|m}} tall.<ref name=eflora>{{cite web|url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200005489 |title=''Amentotaxus argotaenia'' |author=Liguo Fu |author2= Nan Li |author3=Robert R. Mill |name-list-style=amp |work=Flora of China |publisher=Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA |access-date=21 April 2012}}</ref>


''Amentotaxus argotaenia'' var. ''brevifolia'' has been described from southern [[Guizhou]] and listed separately by [[IUCN]].<ref>{{IUCN| id = 32492| taxon = ''Amentotaxus argotaenia'' var. ''brevifolia''| assessor = Conifer Specialist Group| assessment_year = 1998| version = 2011.2| accessdate = 21 April 2012}}</ref> ''[[Amentotaxus formosana]]'' was previously recognised as a variant of ''A. argotaenia''.<ref>{{IUCN| id = 31265| taxon = ''Amentotaxus formosana''| assessor = Conifer Specialist Group| assessment_year = 2000| version = 2012.1| accessdate = 26 September 2012}}</ref>
''Amentotaxus argotaenia'' var. ''brevifolia'' has been described from southern [[Guizhou]] and listed separately by [[IUCN]].<ref>{{cite iucn |author=Liao, W. |author2=Yang, Y. |date=2013 |title=''Amentotaxus argotaenia'' var. ''brevifolia'' |volume=2013 |page=e.T32492A2820574 |doi=10.2305/IUCN.UK.2013-1.RLTS.T32492A2820574.en |access-date=12 November 2021}}</ref> ''[[Amentotaxus formosana]]'' was previously recognised as a variant of ''A. argotaenia''.<ref>{{cite iucn |author=Thomas, P. |date=2013 |title=''Amentotaxus formosana'' |volume=2013 |page=e.T31265A2802875 |doi=10.2305/IUCN.UK.2013-1.RLTS.T31265A2802875.en |access-date=12 November 2021}}</ref>


==Distribution==
==Distribution==
In mainland China, the species is found in [[Fujian]], southern [[Gansu]], [[Guangdong]], [[Guangxi]], [[Guizhou]], western [[Hubei]], [[Hunan]], [[Jiangsu]], north-western [[Jiangxi]], central and south-eastern [[Sichuan]], south-eastern [[Tibet]] and southern [[Zhejiang]]. It also occurs in [[Taiwan]].<ref name=eflora/> In [[Hong Kong]], it is distributed in [[Ma On Shan (town)|Ma On Shan]], [[Tai Mo Shan]], [[Mount Parker, Hong Kong|Mount Parker]], [[Sunset Peak (Hong Kong)|Sunset Peak]], [[Lantau Peak]], and [[Sai Kung]]. In the [[Shing Mun Arboretum]], a living specimen is displayed.<ref name="hkherbarium">[http://www.hkherbarium.net/Herbarium/html%20text/10Amentotaxus%20argotaenia%20.htm ''Amentotaxus argotaenia''] Hong Kong Herbarium (in Chinese)</ref>
In mainland China, the species is found in [[Fujian]], southern [[Gansu]], [[Guangdong]], [[Guangxi]], [[Guizhou]], western [[Hubei]], [[Hunan]], [[Jiangsu]], northwestern [[Jiangxi]], central and southeastern [[Sichuan]], southeastern [[Tibet]] and southern [[Zhejiang]]. It also occurs in [[Taiwan]].<ref name=eflora/> In [[Hong Kong]], it is distributed in [[Ma On Shan (town)|Ma On Shan]], [[Tai Mo Shan]], [[Mount Parker (Hong Kong)|Mount Parker]], [[Sunset Peak (Hong Kong)|Sunset Peak]], [[Lantau Peak]], and [[Sai Kung Peninsula]]. In the [[Shing Mun Arboretum]], a living specimen is displayed.<ref name="hkherbarium">[http://www.hkherbarium.net/Herbarium/html%20text/10Amentotaxus%20argotaenia%20.htm ''Amentotaxus argotaenia''] {{Webarchive|url=https://web.archive.org/web/20090203150454/http://www.hkherbarium.net/Herbarium/html%20text/10Amentotaxus%20argotaenia%20.htm |date=2009-02-03 }} [[Hong Kong Herbarium]] (in Chinese)</ref>


Outside China, it occurs in northern [[Vietnam]].<ref name=vietnam>{{Cite book
Outside China, it occurs in northern [[Vietnam]].<ref name=vietnam>{{Cite book
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|url=http://www.ceh.ac.uk/sections/bm/conifer_manual.html
|url=http://www.ceh.ac.uk/sections/bm/conifer_manual.html
|pages=67–68
|pages=67–68
|deadurl=yes
|url-status=dead
|archiveurl=https://web.archive.org/web/20070519165835/http://www.ceh.ac.uk/sections/bm/conifer_manual.html
|archive-url=https://web.archive.org/web/20070519165835/http://www.ceh.ac.uk/sections/bm/conifer_manual.html
|archivedate=2007-05-19
|archive-date=2007-05-19
}}</ref>
}}</ref>


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The declining of the population is also caused by forest clearing and habitat modification.
The declining of the population is also caused by forest clearing and habitat modification.


==Protection==
==Protection and conservation==
In Hong Kong, this species is under protection based on [[Forestry Regulations Cap. 96A]]. All the localities of the species occurrence are within [[Country Parks]] under protection.<ref name="hkherbarium"/> Tai Mo Shan Montane Scrub Forest in the upper Shing Mun Valley was assigned as a Sites of Special Scientific Interest (SSSI) in 1975 as the forest supports this rare species and other species, ''[[Camellia granthamiana]]'', ''[[Camellia waldenae]]'', and many species of [[orchids]].
In Hong Kong, this species is under protection based on [[Forestry Regulations Cap. 96A]]. All the localities of the species occurrence are within [[Country Parks]] under protection.<ref name="hkherbarium"/> Tai Mo Shan Montane Scrub Forest in the upper Shing Mun Valley was assigned as a Sites of Special Scientific Interest (SSSI) in 1975 as the forest supports this rare species and other species, ''[[Camellia granthamiana]]'', ''[[Camellia waldenae]]'', and many species of [[orchids]].


In 2020, 40 saplings raised at the [[Royal Botanic Garden Edinburgh]], Scotland as part of an International Conifer Conservation Programme, were sent to Hong Kong to be planted.<ref name="TheGarden_April2020">{{cite journal |title=Conifer conserved |journal=The Garden - Royal Horticultural Society |date=April 2020 |page=9}}</ref>
⚫
In Mainland China, it is recorded in [[China Plant Red Data Book]] and [[Illustrations of Rare and Endangered plant in Guangdong Province]].

⚫
In mainland China, it is recorded in ''China Plant Red Data Book'' and ''Illustrations of rare and endangered plants in Guangdong Province''.


==References==
==References==
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{{Taxonbar|from=Q2366934}}
{{Taxonbar|from=Q2366934}}


[[Category:Taxaceae]]
[[Category:Amentotaxus|argotaenia]]
[[Category:Trees of China]]
[[Category:Flora of China]]
[[Category:Trees of Hong Kong]]
[[Category:Flora of Taiwan]]
[[Category:Trees of Taiwan]]
[[Category:Flora of Vietnam]]
[[Category:Trees of Vietnam]]
[[Category:Vulnerable plants]]
[[Category:Taxonomy articles created by Polbot]]
[[Category:Taxonomy articles created by Polbot]]
[[Category:Plants described in 1883]]
[[Category:Plants described in 1883]]

{{conifer-stub}}

Latest revision as of 03:35, 8 January 2024

Amentotaxus argotaenia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Cupressales
Family: Taxaceae
Genus: Amentotaxus
Species:
A. argotaenia
Binomial name
Amentotaxus argotaenia

Amentotaxus argotaenia, the catkin yew, is a species of conifer in the family Taxaceae. It is a shrub or a small tree up to 7 metres (23 ft) tall.[2]

Amentotaxus argotaenia var. brevifolia has been described from southern Guizhou and listed separately by IUCN.[3] Amentotaxus formosana was previously recognised as a variant of A. argotaenia.[4]

Distribution

[edit]

In mainland China, the species is found in Fujian, southern Gansu, Guangdong, Guangxi, Guizhou, western Hubei, Hunan, Jiangsu, northwestern Jiangxi, central and southeastern Sichuan, southeastern Tibet and southern Zhejiang. It also occurs in Taiwan.[2] In Hong Kong, it is distributed in Ma On Shan, Tai Mo Shan, Mount Parker, Sunset Peak, Lantau Peak, and Sai Kung Peninsula. In the Shing Mun Arboretum, a living specimen is displayed.[5]

Outside China, it occurs in northern Vietnam.[6]

Threats

[edit]

The status of the species is not good as the growth rate of the plant is slow and its regeneration is infrequent. Its seeds are poorly dispersed and predated by rats.

The declining of the population is also caused by forest clearing and habitat modification.

Protection and conservation

[edit]

In Hong Kong, this species is under protection based on Forestry Regulations Cap. 96A. All the localities of the species occurrence are within Country Parks under protection.[5] Tai Mo Shan Montane Scrub Forest in the upper Shing Mun Valley was assigned as a Sites of Special Scientific Interest (SSSI) in 1975 as the forest supports this rare species and other species, Camellia granthamiana, Camellia waldenae, and many species of orchids.

In 2020, 40 saplings raised at the Royal Botanic Garden Edinburgh, Scotland as part of an International Conifer Conservation Programme, were sent to Hong Kong to be planted.[7]

In mainland China, it is recorded in China Plant Red Data Book and Illustrations of rare and endangered plants in Guangdong Province.

References

[edit]
  1. ^ Hilton-Taylor, C.; Yang, Y.; Rushforth, K.; Liao, W. (2013). "Amentotaxus argotaenia". IUCN Red List of Threatened Species. 2013: e.T42545A2986540. doi:10.2305/IUCN.UK.2013-1.RLTS.T42545A2986540.en. Retrieved 12 November 2021.
  2. ^ a b Liguo Fu; Nan Li & Robert R. Mill. "Amentotaxus argotaenia". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 21 April 2012.
  3. ^ Liao, W.; Yang, Y. (2013). "Amentotaxus argotaenia var. brevifolia". IUCN Red List of Threatened Species. 2013: e.T32492A2820574. doi:10.2305/IUCN.UK.2013-1.RLTS.T32492A2820574.en. Retrieved 12 November 2021.
  4. ^ Thomas, P. (2013). "Amentotaxus formosana". IUCN Red List of Threatened Species. 2013: e.T31265A2802875. doi:10.2305/IUCN.UK.2013-1.RLTS.T31265A2802875.en. Retrieved 12 November 2021.
  5. ^ a b Amentotaxus argotaenia Archived 2009-02-03 at the Wayback Machine Hong Kong Herbarium (in Chinese)
  6. ^ Luu, Nguyen Duc To; Philip Ian Thomas (2004). Conifers of Vietnam. pp. 67–68. ISBN 1-872291-64-3. Archived from the original on 2007-05-19.
  7. ^ "Conifer conserved". The Garden - Royal Horticultural Society: 9. April 2020.
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