Aextoxicon: Difference between revisions
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| status = LC | | status = LC | ||
| status_system = IUCN3.1 | | status_system = IUCN3.1 | ||
| status_ref = <ref name=IUCN>{{cite iucn |author= Barstow, M. |author2= Beech, E. |author3= Rivers, M.C. |date=2018 |title= ''Aextoxicon punctatum'' |volume=2018 | | | status_ref = <ref name=IUCN>{{cite iucn |author= Barstow, M. |author2= Beech, E. |author3= Rivers, M.C. |date=2018 |title= ''Aextoxicon punctatum'' |volume=2018 |article-number= e.T34616A124554755 |doi= 10.2305/IUCN.UK.2018-2.RLTS.T34616A124554755.en |access-date=April 11, 2024}}</ref> | ||
| grandparent_authority = [[Adolf Engler|Engl.]] & [[Ernest Friedrich Gilg|Gilg]]<ref name="apgiii">{{Citation |author=Angiosperm Phylogeny Group |year=2009 |title=An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III |journal=Botanical Journal of the Linnean Society |volume=161 |issue=2 |pages=105–121 |doi=10.1111/j.1095-8339.2009.00996.x |doi-access=free |hdl=10654/18083 |hdl-access=free }}</ref> | | grandparent_authority = [[Adolf Engler|Engl.]] & [[Ernest Friedrich Gilg|Gilg]]<ref name="apgiii">{{Citation |author=Angiosperm Phylogeny Group |year=2009 |title=An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III |journal=Botanical Journal of the Linnean Society |volume=161 |issue=2 |pages=105–121 |doi=10.1111/j.1095-8339.2009.00996.x |doi-access=free |hdl=10654/18083 |hdl-access=free }}</ref> | ||
| genus = Aextoxicon | | genus = Aextoxicon | ||
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==Description== | ==Description== | ||
''Aextoxicon punctatum'' is a large tree often found in the [[canopy (biology)|canopy]] or emergent. It has opposite leaves with dark green coloration on the top and lighter green below, and is covered in rusty peltate scales. The flowers are [[actinomorphic]] and unisexual, in hanging [[racemes]]. The flowers have 5 [[sepals]] and 5 [[petals]]. Male flowers have 5 [[stamens]] opposite the sepals while female flowers have two [[carpels]] that fuse to form a bilocular ovary. The [[fruit]] is a single seeded [[drupe]] that resembles an olive, thus giving the plant its common name.<ref name=Heywood>{{cite book|last1=Heywood|first1=V.|last2=Brummitt|first2=R.|last3=Culham|first3=A.|last4=Seberg|first4=O.|title=Flowering plant families of the world|date=2007|publisher=Firefly Books|location=Buffalo NY|isbn= | ''Aextoxicon punctatum'' is a large tree often found in the [[canopy (biology)|canopy]] or emergent. It has opposite leaves with dark green coloration on the top and lighter green below, and is covered in rusty peltate scales. The flowers are [[actinomorphic]] and unisexual, in hanging [[racemes]]. The flowers have 5 [[sepals]] and 5 [[petals]]. Male flowers have 5 [[stamens]] opposite the sepals while female flowers have two [[carpels]] that fuse to form a bilocular ovary. The [[fruit]] is a single seeded [[drupe]] that resembles an olive, thus giving the plant its common name.<ref name=Heywood>{{cite book|last1=Heywood|first1=V.|last2=Brummitt|first2=R.|last3=Culham|first3=A.|last4=Seberg|first4=O.|title=Flowering plant families of the world|date=2007|publisher=Firefly Books|location=Buffalo NY|isbn=978-1-55407-206-4|page=27|edition=1st}}</ref> | ||
<gallery> | <gallery> | ||
File:Aextoxicon punctatum, flor masculina - Flickr - Pato Novoa.jpg|Male flower | File:Aextoxicon punctatum, flor masculina - Flickr - Pato Novoa.jpg|Male flower | ||
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[[Category:Dioecious plants]] | [[Category:Dioecious plants]] | ||
[[Category:Taxa named by José Antonio Pavón Jiménez]] | [[Category:Taxa named by José Antonio Pavón Jiménez]] | ||
[[Category:Taxa named by Hipólito Ruiz López]] | |||
[[Category:Taxa named by Ernest Friedrich Gilg]] | [[Category:Taxa named by Ernest Friedrich Gilg]] | ||
[[Category:Taxa named by Adolf Engler]] | [[Category:Taxa named by Adolf Engler]] | ||
Latest revision as of 23:34, 27 September 2025
Template:Short description Script error: No such module "redirect hatnote". Template:Speciesbox
Aextoxicon is a genus of dioecious[1] trees native to southern Chile and Argentina. It is the only genus in the monotypic family Aextoxicaceae, and is itself represented by the olivillo (Aextoxicon punctatum). It is a large evergreen tree native to the forests of the Valdivian temperate rain forests and Magellanic subpolar forests of the Pacific coast of southern Chile, where it forms is a canopy tree in the broadleaf forests. It can reach 15 m tall.
The APG system (1998) and the APG II system (2003) left the family Aextoxicaceae unplaced in the core eudicots. It has since been included in the order Berberidopsidales.[2] The genus was formerly often included in the family Euphorbiaceae.
Description
Aextoxicon punctatum is a large tree often found in the canopy or emergent. It has opposite leaves with dark green coloration on the top and lighter green below, and is covered in rusty peltate scales. The flowers are actinomorphic and unisexual, in hanging racemes. The flowers have 5 sepals and 5 petals. Male flowers have 5 stamens opposite the sepals while female flowers have two carpels that fuse to form a bilocular ovary. The fruit is a single seeded drupe that resembles an olive, thus giving the plant its common name.[3]
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Male flower
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Female flower
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Leaves
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Distribution and habitat
Script error: No such module "Unsubst". Aextoxicon punctatum is found in Chile, usually in damp places from the Bosque de Fray Jorge National Park southwards to the Chiloé Archipelago, also in the Valdivian forest and Magellanic forests of the southern Pacific coast. In Argentina it is present in the middle reaches of the Rio Negro valley, being invasive on the island of Choele Choel,Script error: No such module "Unsubst". and it is common in the Lago Puelo National Park, Chubut.
Uses
The tree is used for its high-quality timber.[3]
References
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External links
- Aextoxicon punctatum in Encyclopedia of the Chilean Flora
- Aextoxicon punctatum in Chilebosque
- Aextoxicon punctatum in Chileflora
- Aextoxicaceae in L. Watson and M.J. Dallwitz (1992 onwards). The families of flowering plants
- Hansen & Rahn: Aextoxicaceae
- NCBI Taxonomy Browser: Aextoxicaceae
- CSDL: Aextoxicaceae Template:Webarchive
- Pages with script errors
- Pages with broken file links
- Berberidopsidales
- Flora of the Andes
- Flora of central Chile
- Trees of Chile
- Trees of Argentina
- Trees of mild maritime climate
- Trees of subpolar oceanic climate
- Flora of the Valdivian temperate forests
- Monotypic eudicot genera
- Data deficient plants
- Dioecious plants
- Taxa named by José Antonio Pavón Jiménez
- Taxa named by Hipólito Ruiz López
- Taxa named by Ernest Friedrich Gilg
- Taxa named by Adolf Engler