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{{Short description|Species of flowering plant}}
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'''''Mesua thwaitesii''''', is a plant species in the [[family (biology)|family]] [[Calophyllaceae]]. It is [[Endemism|endemic]] to [[Sri Lanka]], where [[Sinhala language|Sinhalese]] people called "Diya Nā - දිය නා".<ref>http://www.srilankaview.com/Flora/flora_srilanka223.htm</ref> The plant is highly valuable as a medicinal plant within the country.<ref>http://www.instituteofayurveda.org/plants/plants_detail.php?i=309&s=Local_name</ref>
'''''Mesua thwaitesii''''', is a plant species in the [[family (biology)|family]] [[Calophyllaceae]]. It is native to [[Sri Lanka]] and southwestern [[India]].<ref name = powo>[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:428870-1 ''Mesua thwaitesii'' Planch. & Triana]. ''[[Plants of the World Online]]'', Retrieved 26 May 2023.</ref> The [[Sinhala language|Sinhalese]] people of Sri Lanka call it "Diya Nā - දිය නා".<ref>{{Cite web|url=http://www.srilankaview.com/Flora/flora_srilanka223.htm|title = Mesua thwaitesii,Clusiaceae Family,SriLankaView, Plants of Sri Lanka}}</ref> The plant is highly valuable as a medicinal plant within the country.<ref>{{Cite web|url=http://www.instituteofayurveda.org/plants/plants_detail.php?i=309&s=Local_name|title=Ayurvedic Plants of Sri Lanka: Plants Details}}</ref>


==Chemistry==
==Chemistry==
Timber, seeds and bark of ''Mesua thwaitesii'' is known to have [[Xanthones]] and [[Neoflavinoid|4-phenylcoumarins]].<ref>{{cite journal | url = http://www.sciencedirect.com/science/article/pii/0031942275850527 | doi=10.1016/0031-9422(75)85052-7 | volume=14 | title=Xanthones and 4-phenylcoumarins of Mesua thwaitesii | journal=Phytochemistry | pages=265–269}}</ref>
Timber, seeds and bark of ''Mesua thwaitesii'' is known to have [[Xanthones]] and [[Neoflavinoid|4-phenylcoumarins]].<ref>{{cite journal | doi=10.1016/0031-9422(75)85052-7 | volume=14 | title=Xanthones and 4-phenylcoumarins of Mesua thwaitesii | journal=Phytochemistry | pages=265–269| year=1975 | last1=Bandaranayake | first1=Wickramasinghe M. | last2=Selliah | first2=Sathiaderan S. | last3=Sultanbawa | first3=M.Uvais S. | last4=Games | first4=D.E. }}</ref>


==Taxonomical controversy==
==Taxonomical controversy==
''[[Mesua ferrea]]'' is a complex species and has recently been split into several species and varieties.<ref>biotik.org database, entry: [http://www.biotik.org/india/species/m/mesuferr/mesuferr_en.html "Mesua ferrea L. – Clusiaceae"].</ref> A.J.G.H. Kostermans and Gunatilleke et al. call the tree described in the Wikipedia article ''[[Mesua nagassarium]]''. Kostermans lists several subspecies of ''Mesua nagassarium''.
''[[Mesua ferrea]]'' is a complex species and has recently been split into several species and varieties.<ref>biotik.org database, entry: [http://www.biotik.org/india/species/m/mesuferr/mesuferr_en.html "Mesua ferrea L. – Clusiaceae"] {{Webarchive|url=https://web.archive.org/web/20160304001052/http://www.biotik.org/india/species/m/mesuferr/mesuferr_en.html |date=2016-03-04 }}.</ref> A.J.G.H. Kostermans and Gunatilleke et al. call the tree described in the Wikipedia article ''[[Mesua nagassarium]]''. Kostermans lists several subspecies of ''Mesua nagassarium''.


These authors list ''Mesua ferrea'' as a separate species that is endemic to Sri Lanka and is a small, 15 meters high tree that grows near streams and in marshes in the Southwest of Sri Lanka, where it is called "Diya Na" in Sinhala, meaning "Water Na Tree". This "Diya Na" is not cultivated.<ref>A.J.G.H. Kostermans "Clusiaceae (Guttiferae)" in M. D. Dassanayaka and F. R. Fosberg, eds., ''A Revised Handbook to the Flora of Ceylon'', Volume I, New Delhi 1980, pp. 107–110. Ashton M, Gunatilleke S, de Zoysa N, Dassanayake MD, Gunatilleke N, Wijesundera S. ''[http://www.wht.lk/storage/book_downloads/-Trees%20%20Shrubs.pdf A Field Guide to the Common Trees and Shrubs of Sri Lanka]''. Colombo 1997 p. 140.</ref> Gunatilleke et al. (p.&nbsp;139), however, remark in a footnote: "In the most recent revision ''diya na'' is named as ''Mesua thwaitesii'' and ''na'' as ''Mesua ferrea''".
These authors list ''Mesua ferrea'' as a separate species that is endemic to Sri Lanka and is a small, 15 meters high tree that grows near streams and in marshes in the Southwest of Sri Lanka, where it is called "Diya Na" in Sinhala, meaning "Water Na Tree". This "Diya Na" is not cultivated.<ref>A.J.G.H. Kostermans "Clusiaceae (Guttiferae)" in M. D. Dassanayaka and F. R. Fosberg, eds., ''A Revised Handbook to the Flora of Ceylon'', Volume I, New Delhi 1980, pp. 107–110. Ashton M, Gunatilleke S, de Zoysa N, Dassanayake MD, Gunatilleke N, Wijesundera S. ''[http://www.wht.lk/storage/book_downloads/-Trees%20%20Shrubs.pdf A Field Guide to the Common Trees and Shrubs of Sri Lanka] {{Webarchive|url=https://web.archive.org/web/20130606141603/http://www.wht.lk/storage/book_downloads/-Trees%20%20Shrubs.pdf |date=2013-06-06 }}''. Colombo 1997 p. 140.</ref> Gunatilleke et al. (p.&nbsp;139), however, remark in a footnote: "In the most recent revision ''diya na'' is named as ''Mesua thwaitesii'' and ''na'' as ''Mesua ferrea''".


==References==
==References==
{{reflist}}
{{Reflist}}
*[http://www.theplantlist.org/tpl1.1/record/kew-2372335 The Plant List]
*[http://www.theplantlist.org/tpl1.1/record/kew-2372335 The Plant List]
*[http://plants.jstor.org/stable/10.5555/al.ap.specimen.k000677302 jstor.org]
*[http://plants.jstor.org/stable/10.5555/al.ap.specimen.k000677302 jstor.org]
*[https://web.archive.org/web/20150219192705/http://jathikanamaluyana.com/index.php/inside/bio-diversity Namal Uyana plants]
*[https://web.archive.org/web/20150219192705/http://jathikanamaluyana.com/index.php/inside/bio-diversity Namal Uyana plants]


{{Taxonbar}}
{{Taxonbar|from=Q17565706}}


[[Category:Flora of Asia]]
[[Category:Flora of Sri Lanka]]
[[Category:Flora of the Western Ghats]]
[[Category:Mesua|thwaitesii]]
[[Category:Mesua|thwaitesii]]

Latest revision as of 17:39, 26 May 2023

Mesua thwaitesii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Calophyllaceae
Genus: Mesua
Species:
M. thwaitesii
Binomial name
Mesua thwaitesii
Planch. & Triana

Mesua thwaitesii, is a plant species in the family Calophyllaceae. It is native to Sri Lanka and southwestern India.[1] The Sinhalese people of Sri Lanka call it "Diya Nā - දිය නා".[2] The plant is highly valuable as a medicinal plant within the country.[3]

Chemistry[edit]

Timber, seeds and bark of Mesua thwaitesii is known to have Xanthones and 4-phenylcoumarins.[4]

Taxonomical controversy[edit]

Mesua ferrea is a complex species and has recently been split into several species and varieties.[5] A.J.G.H. Kostermans and Gunatilleke et al. call the tree described in the Wikipedia article Mesua nagassarium. Kostermans lists several subspecies of Mesua nagassarium.

These authors list Mesua ferrea as a separate species that is endemic to Sri Lanka and is a small, 15 meters high tree that grows near streams and in marshes in the Southwest of Sri Lanka, where it is called "Diya Na" in Sinhala, meaning "Water Na Tree". This "Diya Na" is not cultivated.[6] Gunatilleke et al. (p. 139), however, remark in a footnote: "In the most recent revision diya na is named as Mesua thwaitesii and na as Mesua ferrea".

References[edit]

  1. ^ Mesua thwaitesii Planch. & Triana. Plants of the World Online, Retrieved 26 May 2023.
  2. ^ "Mesua thwaitesii,Clusiaceae Family,SriLankaView, Plants of Sri Lanka".
  3. ^ "Ayurvedic Plants of Sri Lanka: Plants Details".
  4. ^ Bandaranayake, Wickramasinghe M.; Selliah, Sathiaderan S.; Sultanbawa, M.Uvais S.; Games, D.E. (1975). "Xanthones and 4-phenylcoumarins of Mesua thwaitesii". Phytochemistry. 14: 265–269. doi:10.1016/0031-9422(75)85052-7.
  5. ^ biotik.org database, entry: "Mesua ferrea L. – Clusiaceae" Archived 2016-03-04 at the Wayback Machine.
  6. ^ A.J.G.H. Kostermans "Clusiaceae (Guttiferae)" in M. D. Dassanayaka and F. R. Fosberg, eds., A Revised Handbook to the Flora of Ceylon, Volume I, New Delhi 1980, pp. 107–110. Ashton M, Gunatilleke S, de Zoysa N, Dassanayake MD, Gunatilleke N, Wijesundera S. A Field Guide to the Common Trees and Shrubs of Sri Lanka Archived 2013-06-06 at the Wayback Machine. Colombo 1997 p. 140.
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