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Gomortega
Gomortega keule in Biobío Region
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Laurales
Family: Gomortegaceae
Reiche[2]
Genus: Gomortega
Ruiz & Pav.
Species:
G. keule
Binomial name
Gomortega keule
Synonyms

Adenostemum nitidum (Ruiz & Pav.) Pers.
Gomortega nitida Ruiz & Pav.
Keulia chilensis Molina
Lucuma keule Molina

Gomortega keule (syn. G. nitida; Spanish names keule, queule, and hualhual) is a species of tree endemic to Chile. It is the sole species of the genus Gomortega and, according to the APG IV system of 2016 (unchanged from the APG systems of 2009, 2003 and 1998), of the monotypic family Gomortegaceae, assigned to the order Laurales in the clade magnoliids.[3]

Description

Fruits of G. keule

Evergreen trees, aromatic, gray bark with shallow longitudinal fissures. The leaves are petiolate, simple, entire, obovate to lanceolate, coriaceous. The stems have unilacunar nodes and with two foliar traces. The branches are quadrangular.

The edible fruit is a uni- or tri-locular yellow drupe, usually with 1 (-2) seeds, fleshy mesocarp, pleasant, stony endocarp. There are 1-2 seeds per fruit, with abundant, oily endosperm, large embryo, dicotyledonous. The fruit is about 34–45 millimetres (1.3–1.8 in) in diameter and edible and sweet, and harvested for making a kind of marmalade.

The chromosome number is n = 21, 2n = 42.

Distribution

See also: Maulino forest

Gomortega keule grows only in a very narrow habitat range in coastal Central Chile, including the Maulino forest[4] and parts of the Chilean matorral.[5] It is a characteristic tree species of the Maulino forest alongside Nothofagus glauca, Nothofagus × leoni, and Nothofagus alessandrii.[4]

The species is threatened by habitat loss. The Maulino forest has mostly been cleared for agriculture and tree plantations of Pinus radiata and Eucalyptus globulus. The species' remaining habitat is fragmented, and its populations isolated. It has been affected by fires, including the 2017 Chile wildfires. Populations are protected at Los Queules National Reserve and Los Ruiles National Reserve.[1]

See also

References

  1. ^ a b Echeverría, C. & Campos, S. (2019). "Gomortega keule". IUCN Red List of Threatened Species. 2019: e.T31357A2805379. doi:10.2305/IUCN.UK.2019-2.RLTS.T31357A2805379.en. Retrieved July 11, 2020.((cite journal)): CS1 maint: multiple names: authors list (link)
  2. ^ Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x.
  3. ^ Angiosperm Phylogeny Group (2016). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV". Botanical Journal of the Linnean Society. 181 (1): 1–20. doi:10.1111/boj.12385. ISSN 0024-4074.
  4. ^ a b San Martín, José; Donoso, Claudio (1995). "Estructura florística e impacto antrópico en el bosque Maulino de Chile" [Floristic structure and human impact on the Maulino forest of Chile]. In Armesto, Juan J.; Villagrán, Carolina; Arroyo, Mary Kalin (eds.). Ecología de los bosques nativos de Chile (in Spanish). Santiago de Chile: Editorial Universitaria. pp. 153–167. ISBN 956-11-1284-1.
  5. ^ C. Michael Hogan & World Wildlife Fund. 2013. Chilean matorral. ed. M.McGinley. Encyclopedia of Earth. National Council for Science and the Environment. Washington DC

External links

The species

The family

Families of flowering plants (APG IV)
Taxon identifiers
Categories