Duguetia staudtii

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Duguetia staudtii
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Duguetia
Species:
D. staudtii
Binomial name
Duguetia staudtii
Synonyms

Pachypodanthium staudtii

Duguetia staudtii is a medium-sized evergreen tree within the Annonaceae family. Species is one of four within the genus Duguetia that is native to Africa. [2]

Contents

Description

Tree grows up to 36 meters tall. Straight, cylindrical trunk that can be branchless for up to 20 meters, stem bark is rarely scaly, commonly thick and soft and yellow or grey-green in colour. [3] Leaf: simple, alternate arrangement, petiole, 0.2 - 0.5 cm. Leaf-blade, narrowly elliptical to obovate in outline, 10 x 24 cm long and 2 x 5 cm wide; [4] dark green upper surface is coriaceous and glabrous while lower surface is duller. [3]

Distribution

Occurs in Tropical West and Central Africa, from Sierra Leone to the Central African Republic and southwards to Gabon and the Democratic Republic of Congo. It is locally called Ntom in Central African Republic. [5]

Chemistry

Stem bark contains the bioactive compounds, 2,4,5 trimethoxystyrene and 1-(2,4,5- trimethoxyphenyl)-ethanone. [6] [7] It contains members of the group of alkaloids: berberines, tetrahydroprotoberberines and aporphines. [8]

Uses

Bark extracts used by traditional healers as treatment for bronchitis, toothache, edema and head lice. [6] Wood used as timber in local carpentry work, especially as planks or for poles in house construction. [5]

References

  1. ↑ Cosiaux, A.; Couvreur, T.L.P.; Erkens, R.H.J. (2019). "Duguetia staudtii". IUCN Red List of Threatened Species . 2019: e.T61984653A61984656. doi: 10.2305/IUCN.UK.2019-3.RLTS.T61984653A61984656.en . Retrieved 25 May 2023.
  2. ↑ Timbers. D. Louppe, A. A. Oteng-Amoako, M. Brink, Plant Resources of Tropical Africa. Wageningen: PROTA Foundation. 2008. pp. 323–324. ISBN   978-90-5782-209-4. OCLC   299747129.{{cite book}}: CS1 maint: others (link)
  3. 1 2 Voorhoeve, A. G. (1979). Liberian high forest trees : a systematic botanical study of the 75 most important or frequent high forest trees, with reference to numerous related species (2nd impr ed.). Wageningen: Pudoc. p. 57. ISBN   90-220-0701-4. OCLC   63303450.
  4. ↑ Yapi, T.; Boti, J.; Félix, Tonzibo Z.; Ahibo, Antoine Coffy (2012). "Pachypodanthium Staudtii Engl & Diels from Côte d'Ivoire: Composition of Leaf, Stem Bark and Roots Oils". S2CID   96718956.{{cite web}}: Missing or empty |url= (help)
  5. 1 2 Ngouonpe, Alain W.; Mbobda, Alexis Sylvain W.; Happi, Gervais M.; Mbiantcha, Marius; Tatuedom, Ostend K.; Ali, Muhammad S.; Lateef, Mehreen; Tchouankeu, Jean Claude; Kouam, Siméon F. (2019). "Natural products from the medicinal plant Duguetia staudtii (Annonaceae)" . Biochemical Systematics and Ecology. 83: 22–25. doi:10.1016/j.bse.2018.12.015. S2CID   91652782.
  6. 1 2 Ngadjui, Bonaventure T.; Lontsi, David; Ayafor, Johnson Foyere; Sondengam, B. Lucas (1989-01-01). "Pachypophyllin and pachypostaudins A and B: three bisnorlignans from pachypodanthium staudtii" . Phytochemistry. 28 (1): 231–234. Bibcode:1989PChem..28..231N. doi:10.1016/0031-9422(89)85044-7. ISSN   0031-9422.
  7. ↑ Nahar, Lutfun; Sarker, Satyajit D. (2006). "Isolation and Characterization of 2,4,5-Trimethoxy-benzaldehyde and 1-(2,4,5-trimethoxyphenyl)-Ethanone from Pachypodanthium Staudtii, and their General Toxicity towards Brine Shrimps". Natural Product Communications. 1 (5): 1934578X0600100. doi: 10.1177/1934578X0600100506 . ISSN   1934-578X.
  8. ↑ Cassels, Bruce; Perez, Edwin (2010). "Alkaloids from the Genus Duguetia". The alkaloids : chemistry and biology. Volume 68. Geoffrey A. Cordell. Amsterdam: Elsevier. ISBN   978-1-283-02035-0. OCLC   1127154170.
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