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Cathaya ( Catalan; Valencian )

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Cathaya és un gènere d'arbres dins la família Pinaceae i conté en l'actualitat amb una sola espècie: Cathaya argyrophylla. Cathaya és un membre de la subfamília Laricoideae, estretament relacionada amb els gèneres Pseudotsuga i Larix. Una segona espècie, C. nanchuanensis, ara es tracta com el seu sinònim.

Cathaya està confinat a una zona limitada del sud de la Xina, a les províncies de Guangxi, Guizhou, Hunan i sud-est de Sichuan. Es troba a les muntanyes a altituds d'entre 950-1800 m en sòls calcaris.

Les fules són aciculars de 2,5-5 cm de llarg, tenen els marges ciliats de joves i es disposen espiralment. Les pinyes fan 3-5 cm de llarg i les llavors són alades.

S'han trobat fòssils d'aquest gènere a dipòsits de carbó d'Europa datats de 10 a 30 milions d'anys enrere.

Referències

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Cathaya: Brief Summary ( Catalan; Valencian )

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Cathaya és un gènere d'arbres dins la família Pinaceae i conté en l'actualitat amb una sola espècie: Cathaya argyrophylla. Cathaya és un membre de la subfamília Laricoideae, estretament relacionada amb els gèneres Pseudotsuga i Larix. Una segona espècie, C. nanchuanensis, ara es tracta com el seu sinònim.

Cathaya està confinat a una zona limitada del sud de la Xina, a les províncies de Guangxi, Guizhou, Hunan i sud-est de Sichuan. Es troba a les muntanyes a altituds d'entre 950-1800 m en sòls calcaris.

Les fules són aciculars de 2,5-5 cm de llarg, tenen els marges ciliats de joves i es disposen espiralment. Les pinyes fan 3-5 cm de llarg i les llavors són alades.

S'han trobat fòssils d'aquest gènere a dipòsits de carbó d'Europa datats de 10 a 30 milions d'anys enrere.

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Cathaya ( Danish )

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Cathaya er en lille slægt af nåletræer fra subtropisk Kina. Den har kun en enkelt nulevende art, Almindelig Cathaya (Cathaya argyrophylla). Cathaya tilhører underfamilien Laricoideae og er nært beslægtet med Douglasgran (Pseudotsuga) og Lærk (Larix).

Cathaya forekommer kun i et begrænset område i det sydlige Kina i provinserne Guangxi, Guizhou, Hunan og Sichuan. Her vokser den på stejle kalkstens-klipper i 900 - 1800 m højde. Nålene er 2,5 - 5 cm lange og sidder i et spiralagtigt mønster på grenene. Koglerne er 3-5 cm lange.

Fossiler af uddøde arter af Cathaya er talrige i europæiske brunkuls-forekomster fra 10-30 millioner år siden.

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Cathaya

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Cathaya is a genus in the pine family, Pinaceae, with one known living species, Cathaya argyrophylla.[2] Cathaya is a member of the subfamily Laricoideae, most closely related to Pseudotsuga and Larix. A second species, C. nanchuanensis, is now treated as a synonym,[3] as it does not differ from C. argyrophylla in any characters.

Cathaya is confined to a limited area in southern China, in the provinces of Guangxi, Guizhou, Hunan and southeast Sichuan. It is found on steep, narrow mountain slopes at 950–1800 m altitude, on limestone soils. A larger population has been reduced by over-cutting before its scientific discovery and protection in 1950.

The leaves are needle-like, 2.5–5 cm long, have ciliate (hairy) margins when young, and grow around the stems in a spiral pattern. The cones are 3–5 cm long, with about 15–20 scales, each scale bearing two winged seeds.

One or two botanists, unhappy with the idea of a new genus in such a familiar family, tried to shoehorn it into other existing genera, as Pseudotsuga argyrophylla and Tsuga argyrophylla.[4] It is however very distinct from both of these genera, and these combinations are not now used.

The Butchart Gardens in Victoria, British Columbia had a small living specimen. The tree died in 2017.

Fossil record

Cathaya sp. fossils are described from the early Pleistocene of southern Portugal.[5] They are abundant in European brown coal deposits dating from between 10–30 million years ago.

References

  1. ^ Yang, Y.; Liao, W. (2013). "Cathaya argyrophylla". IUCN Red List of Threatened Species. 2013: e.T32316A2814173. doi:10.2305/IUCN.UK.2013-1.RLTS.T32316A2814173.en. Retrieved 25 September 2021.
  2. ^ "Cathaya". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-11-07.
  3. ^ "Cathaya nanchuanensis". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-11-07.
  4. ^ "Cathaya argyrophylla". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-11-07.
  5. ^ Forest Context and Policies in Portugal: Present and Future Challenges by Fernando Reboredo – Springer, 28. aug. 2014 – ISBN 978-3-319-08455-8

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Cathaya: Brief Summary

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Cathaya is a genus in the pine family, Pinaceae, with one known living species, Cathaya argyrophylla. Cathaya is a member of the subfamily Laricoideae, most closely related to Pseudotsuga and Larix. A second species, C. nanchuanensis, is now treated as a synonym, as it does not differ from C. argyrophylla in any characters.

Cathaya is confined to a limited area in southern China, in the provinces of Guangxi, Guizhou, Hunan and southeast Sichuan. It is found on steep, narrow mountain slopes at 950–1800 m altitude, on limestone soils. A larger population has been reduced by over-cutting before its scientific discovery and protection in 1950.

The leaves are needle-like, 2.5–5 cm long, have ciliate (hairy) margins when young, and grow around the stems in a spiral pattern. The cones are 3–5 cm long, with about 15–20 scales, each scale bearing two winged seeds.

One or two botanists, unhappy with the idea of a new genus in such a familiar family, tried to shoehorn it into other existing genera, as Pseudotsuga argyrophylla and Tsuga argyrophylla. It is however very distinct from both of these genera, and these combinations are not now used.

The Butchart Gardens in Victoria, British Columbia had a small living specimen. The tree died in 2017.

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Cathaya ( Spanish; Castilian )

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Cathaya género de Pinaceae del que sólo se conoce una especie Cathaya argyrophylla. Cathaya está dentro de la subfamilia Laricoideae (Cedrus, Larix). Una segunda especie, C. nanchuanensis, se considera hoy la misma.

Cathaya se restringe al sur de China (Guangxi, Guizhou, Hunan y el sudeste de Sichuan). A 950-1800 m de altitud en suelos de limo.

Las hojas miden 2,5-5 cm pierden vellosidad con el crecimiento y se disponen en espiral. Su piña mide 3-5 cm y porta 2 únicas semillas.

Se han encontrado fósiles de especies parecidas en Europa de unos 10 -30 millones de años (carbón marrón).

Referencias

  1. Yang, Y. & Liao, W. (2013). «Cathaya». Lista Roja de especies amenazadas de la UICN 2013.2 (en inglés). ISSN 2307-8235. Consultado el 16 de mayo de 2014.

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Cathaya: Brief Summary ( Spanish; Castilian )

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Cathaya género de Pinaceae del que sólo se conoce una especie Cathaya argyrophylla. Cathaya está dentro de la subfamilia Laricoideae (Cedrus, Larix). Una segunda especie, C. nanchuanensis, se considera hoy la misma.

Cathaya se restringe al sur de China (Guangxi, Guizhou, Hunan y el sudeste de Sichuan). A 950-1800 m de altitud en suelos de limo.

Las hojas miden 2,5-5 cm pierden vellosidad con el crecimiento y se disponen en espiral. Su piña mide 3-5 cm y porta 2 únicas semillas.

Se han encontrado fósiles de especies parecidas en Europa de unos 10 -30 millones de años (carbón marrón).

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Kataia (perekond) ( Estonian )

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Kataia (Cathaya) on männiliste sugukonda kuuluv igihaljaste puude perekond.

Perekonna ainuke liik on kataia (Cathaya argyrophylla), mis kasvab pärismaisena Hiina lõunaosas.

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Cathaya ( Galician )

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Cathaya é un xénero pertencente á familia Pinaceae do que só se coñece unha especie Cathaya argyrophylla. Cathaya está dentro da subfamilia Laricoideae (Pseudotsuga, Larix (lárices)). Unha segunda especie, C. nanchuanensis, considérase hoxe a mesma.

Cathaya restrínxese ao sur da China (Guangxi, Guizhou, Hunan e o suroeste de Sichuan). A 950–1800 m de altitude en solos de limo.

As follas miden 2,5–5 cm, perden vilosidade co crecemento e se dispoñen en espiral. A súa piña mide 3–5 cm e porta 2 únicas sementes.

Atopáronse fósiles de especies semellantes en Europa de hai uns 10 -30 millóns de anos (carbón marrón).

Notas

Véxase tamén

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Cathaya: Brief Summary ( Galician )

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Cathaya é un xénero pertencente á familia Pinaceae do que só se coñece unha especie Cathaya argyrophylla. Cathaya está dentro da subfamilia Laricoideae (Pseudotsuga, Larix (lárices)). Unha segunda especie, C. nanchuanensis, considérase hoxe a mesma.

Cathaya restrínxese ao sur da China (Guangxi, Guizhou, Hunan e o suroeste de Sichuan). A 950–1800 m de altitude en solos de limo.

As follas miden 2,5–5 cm, perden vilosidade co crecemento e se dispoñen en espiral. A súa piña mide 3–5 cm e porta 2 únicas sementes.

Atopáronse fósiles de especies semellantes en Europa de hai uns 10 -30 millóns de anos (carbón marrón).

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Cathaya ( Croatian )

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Cathaya, monotipski biljni rod iz porodice Pinaceae. Jedina vrsta je zimzeleno drvo C. argyrophylla, kineski endem, koji naraste do 20 metara visine.[1]

Sinonimi

  • Cathaya argyrophylla subsp. nanchuanensis (Chun & Kuang) Silba
  • Cathaya argyrophylla subsp. sutchuenensis Silba
  • Cathaya nanchuanensis Chun & Kuang
  • Pseudotsuga argyrophylla (Chun & Kuang) Greguss
  • Tsuga argyrophylla (Chun & Kuang) de Laub. & Silba

Izvori

  1. The Gymnosperm Database pristupljeno 7. kolovoza 2019
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Cathaya: Brief Summary ( Croatian )

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Cathaya, monotipski biljni rod iz porodice Pinaceae. Jedina vrsta je zimzeleno drvo C. argyrophylla, kineski endem, koji naraste do 20 metara visine.

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Cathaya ( Icelandic )

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Cathaya er ættkvísl í þallarætt, Pinaceae, með aðeins eina núlifandi tegund, Cathaya argyrophylla.[2] Cathaya er í undirættinni Laricoideae, ásamt Pseudotsuga og Larix. Önnur tegund, C. nanchuanensis, er nú talin samnefni ,[3] þar sem hún er að engu leyti frábrugðin C. argyrophylla í útliti.

Einn eða tveir grasafræðingar sem voru ósáttir við nýja ættkvísl í svo velþekktri ætt reyndu að troða henni í eldri ættkvíslir, sem Pseudotsuga argyrophylla og Tsuga argyrophylla.[4] Hún er hinsvegar fjarskyld þeim ættkvíslum, og þessi nöfn ekki notuð.

Steingerfingar

Steingervingum af Cathaya sp. hefur verið lýst frá fyrri hluta Pleistósen í suðurhluta Portúgal.[5] Þeir eru algengir í evrópskum brúnkolalögum frá milli 10–30 milljón árum.

Tilvísanir

  1. Conifer Specialist Group (1998). "Cathaya argyrophylla". IUCN Red List of Threatened Species. Version 2006. International Union for Conservation of Nature.
  2. Cathaya. Plants of the World Online. Royal Botanical Gardens Kew. Sótt 7. nóvember 2018.
  3. Cathaya nanchuanensis. Plants of the World Online. Royal Botanical Gardens Kew. Sótt 7. nóvember 2018.
  4. Cathaya argyrophylla. Plants of the World Online. Royal Botanical Gardens Kew. Sótt 7. nóvember 2018.
  5. Forest Context and Policies in Portugal: Present and Future Challenges by Fernando Reboredo – Springer, 28. aug. 2014 – ISBN 978-3-319-08455-8

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Cathaya: Brief Summary ( Icelandic )

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Cathaya er ættkvísl í þallarætt, Pinaceae, með aðeins eina núlifandi tegund, Cathaya argyrophylla. Cathaya er í undirættinni Laricoideae, ásamt Pseudotsuga og Larix. Önnur tegund, C. nanchuanensis, er nú talin samnefni , þar sem hún er að engu leyti frábrugðin C. argyrophylla í útliti.

Einn eða tveir grasafræðingar sem voru ósáttir við nýja ættkvísl í svo velþekktri ætt reyndu að troða henni í eldri ættkvíslir, sem Pseudotsuga argyrophylla og Tsuga argyrophylla. Hún er hinsvegar fjarskyld þeim ættkvíslum, og þessi nöfn ekki notuð.

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Cathaya ( Portuguese )

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Cathaya é um género de coníferas pertencentes à família Pinaceae, ordem Pinales. Este género tem apenas uma espécie: Cathaya argyrophylla.

A área de distribuição do género Cathaya restringe-se ao sul da China (Guangxi, Guizhou, Hunan e sudeste de Sichuan). Normalmente entre 950–1800 m de altitude.

As folhas medem 2,5–5 cm e dispõem-se em espiral. A sua pinha mede 3–5 cm, contendo apenas 2 sementes.

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