Xylopia nitida
Xylopia nitida | |
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Botanical illustration of Xylopia nitida | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Magnoliids |
Order: | Magnoliales |
Family: | Annonaceae |
Genus: | Xylopia |
Species: | X. nitida
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Binomial name | |
Xylopia nitida | |
Synonyms | |
Unona concolor Willd. |
Xylopia nitida is a species of plant in the Annonaceae family. It is native to Brazil, Colombia, Ecuador French Guiana, Guyana, Suriname and Venezuela.[2] Michel Félix Dunal, the botanist who first formally described the species, named it after the shiny (nitidus in Latin) upper surface of its leaves.[3][4]
Description
It is a tree reaching 20 meters in height. The young branches are covered in dense pale brown hairs, but as they mature they become hairless. Its narrow, elliptical, papery leaves are 8.5-13 by 3-4.5 centimeters. The leaves have pointed bases and tapering tips, with the tapering portion 5-10 millimeters long. The leaves are shiny and hairless on their upper surfaces, and have dense, slivery-white to brown hairs that lay flat on their lower surfaces. Its petioles are 2-6 millimeters long. Its Inflorescences occur in the axils of leaves or fallen leaves. Each inflorescence has up to 8 flowers. Each flower is on a pedicel that is 1-13 by 1-3 millimeters. Its flowers have 3 oval to triangular sepals that are 1-2 millimeters long. The lower part of the sepals are fused at their margins to form a cup-shaped calyx that is 4-5 millimeters long. Its 6 petals are arranged in two rows of 3. The orange outer petals are 18-20 by 3-5 millimeter. The orange inner petals are 15 by 1-2 millimeters. Its flowers have 170-270 stamen that are 1-1.5 millimeters long. The stamen are attached to a receptacle that forms a cone that is 1.8-2.2 by 1.2-1.5 millimeters. Its flowers have 20-30 carpels. Its stigma are capped with soft hairs. The hairless, green to red, narrow, cylindrical fruit occur in clusters of 10-27. The fruit are 10-60 millimeters long with longitudinal grooves. Each fruit has 4-6 egg-shaped seeds that are 5-6.5 millimeters long.[5][6]
Reproductive biology
The pollen of Xylopia nitida is shed as permanent tetrads.[7]
Distribution and habitat
It has been observed growing in subtropical forests, tropical moist lowlands, and savanna.[1][6]
Uses
Its leaf oils contain terpinenes, cymene, and limonene.[8]
References
- ^ a b Crispim, G.; Arguello, L.; Martinelli, G.; Erkens, R.H.J. (2020). "Xylopia nitida". IUCN Red List of Threatened Species. 2020: e.T140938888A180243095. Retrieved 21 June 2022.
- ^ "Xylopia nitida Dunal". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved June 21, 2022.
- ^ Stearn, William (2004). Botanical Latin. Portland, Ore. Newton Abbot: Timber Press David & Charles. ISBN 9780881926279.
- ^ Dunal, Michel-Felix (1817). Monographie de la Famille des Anonacées [Monograph of the Anonaceae family] (in French and Latin). Paris: Treuttel et Würtz. p. 122.
- ^ Maas, Paul J.; Mass, Hiltje; Miralha, M.S. (2007). "Flora da Reserva Ducke, Amazonas, Brasil: Annonaceae" [Flora of the Ducke Reserve, Amazonas, Brazil: Annonaceae]. Rodriguésia: Revista do Jardim Botânico do Rio de Janeiro (in Portuguese and English). 58 (3): 617–663.
- ^ a b Pontes-Pires, Aline Fernandes; Barbosa, Maria Regina De V.; Johnson, David M. (2021). "Xylopia maasiana (Annonaceae), a New Species from the Brazilian Amazon, and Taxonomic Notes on Xylopia nitida Dunal". Systematic Botany. 46 (2): 273–279. doi:10.1600/036364421X16231782047424.
- ^ Walker, James W. (1971). "Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae". Contributions from the Gray Herbarium of Harvard University. 202: 1–130. JSTOR 41764703.
- ^ Maia, José Guilherme S.; Andrade, Eloisa Helena A.; Da Silva, Ana Carla M.; Oliveira, Jorge; Carreira, Léa Maria M.; Araújo, Josiele S. (2005). "Leaf volatile oils from four Brazilian Xylopia species". Flavour and Fragrance Journal. 20 (5): 474–477. doi:10.1002/ffj.1499.
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- Plants described in 1817
- Flora of Brazil
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- Flora of French Guiana
- Flora of Guyana
- Flora of Suriname
- Flora of Venezuela
- Taxa named by Michel Félix Dunal
- Xylopia