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Comments ( anglais )

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Yucca madrensis is closely related to Y. jaliscensis to the south and the Y. schottii complex to the north. We follow L. W. Lenz and M. A. Hanson (2000b), who have determined that plants with long, wide, flexible, blue leaves that are now usually identified as Y. schottii Engelmann (not congruent with Engelmann’s original description) are more correctly referred to Y. madrensis. Lenz and Hanson further suggested that what is now called Y. schottii represents a hybrid complex among Y. baccata, Y. elata, and Y. madrensis. This putative hybridization is conjectural, and without firm evidence we are uncertain as to the appropriate disposition of the name Y. schottii. We are somewhat skeptical of the potential for crosses between baccate species (Y. baccata and Y. madrensis) and capsular species (Y. elata).
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 424, 428 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Description ( anglais )

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Plants solitary, caulescent, shorter than 3 m. Stems 1, simple, unbranched, shorter than 2 m. Leaf blade erect to reflexing with age, bluish-glaucous or green to yellow-green, thin, flat to conduplicate, flexible, margins entire or occasionally filiferous with slender fibers, brown to grayish, smooth. Inflorescences erect, paniculate, somewhat open, arising 1/4–1/2 within rosettes, elongate-ovoid, to 8 dm, sparsely pubescent. Flowers pendent, 3.5 cm; perianth ovoid; tepals distinct, or barely connate basally, white, ovate-lanceolate to lanceolate, ca. 3 × 1.4 cm; filaments ca. 1.5 cm, glabrous; pistil 1.5–4 cm; ovary ca. 2.5 cm. Fruits becoming pendent, baccate, indehiscent, 6–12.5 × 2.5–3.8 cm, fleshy, succulent. Seeds gray, 7–10 mm diam., 5–8 mm thick.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 424, 428 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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Distribution ( anglais )

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Ariz.; Mexico (Chihuahua, Sonora).
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 424, 428 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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Flowering/Fruiting ( anglais )

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Flowering in summer with rains.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 424, 428 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras

Habitat ( anglais )

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Madrean pine-oak forest; 1400--1600m.
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cc-by-nc-sa-3.0
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
citation bibliographique
Flora of North America Vol. 26: 424, 428 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras

Yucca madrensis ( allemand )

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Yucca madrensis (Trivialnamen in anderen Sprachen: Sierra Madre Yucca, Soco Yucca) ist eine Pflanzenart der Gattung der Palmlilien (Yucca) in der Familie der Spargelgewächse (Asparagaceae). Diese Art ist eine der seltensten der Gattung.

Beschreibung

Yucca madrensis wächst solitär und bildet einen kurzen Stamm von 0,5 bis 0,8 Meter Höhe. Die variablen, grünen, blaugrauen Laubblätter sind 50 bis 80 cm lang und 2 bis 3 cm breit.

Der in den Blättern beginnende, verzweigte, kurze Blütenstand wird 0,5 bis 1 Meter groß.

Verbreitung

Yucca madrensis ist in Sierra Madre Occidental in Mexiko, im Staat Chihuahua im Waldland an steinigen, steilen Hängen in Höhenlagen zwischen 1450 und 2250 Metern verbreitet. Diese Art wächst oft vergesellschaftet mit verschiedenen Kakteenarten.

Systematik

Sie ist ein Vertreter der Sektion Yucca Serie Yucca, jedoch geographisch isoliert. Yucca madrensis ist verwandt mit Yucca schotti. Basis ist H. S. Gentrys Type mit der Nummer 21209, 9. September 1965 (engl. lf. & old dried inflorescencce) Nummer 2557499. U. S.

Der botanische Name wurde nach der Sierra Madre in Mexiko, der Lokalität von Yucca madrensis ausgewählt.

Die Erstbeschreibung durch Howard Scott Gentry unter dem Namen Yucca madrensis ist 1972 veröffentlicht worden.[1]

Bilder

Einzelreferenzen

  1. Howard Scott Gentry: The Agave Family in Sonora. U. S. Departement of Agriculture, 1972, S. 159.

Literatur

  • Yucca madrensis. Fritz Hochstätter (Hrsg.): Yucca (Agavaceae). Band 3 Mexico and Baja California, Selbstverlag, 2004, S. 35–36, Fotomaterial S. 128–130, Erstbeschreibung S. 232–235, S. 274, ISBN 3-00-013124-8.

Weblinks

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Yucca madrensis: Brief Summary ( allemand )

fourni par wikipedia DE

Yucca madrensis (Trivialnamen in anderen Sprachen: Sierra Madre Yucca, Soco Yucca) ist eine Pflanzenart der Gattung der Palmlilien (Yucca) in der Familie der Spargelgewächse (Asparagaceae). Diese Art ist eine der seltensten der Gattung.

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Yucca madrensis ( anglais )

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Yucca madrensis H. S. Gentry[2] is a plant in the genus Yucca in the family Asparagaceae. It is native to a mountainous region in the Sierra Madre Occidental in the Mexican states of Sonora and Chihuahua. It has also been reported from Arizona[3] It grows on steep, rocky slopes in pine-oak forests.[4]

Yucca madrensis has indehiscent fruits and serrate leaves. This suggests relationships with Y. rigida Trel. and Y. schottii Engelm. It differs from both those species by several characters such as narrowness of the leaves, glabrous inflorescence, and short stature.[5]

References

  1. ^ Salywon, A.; Hodgson, W.; Puente, R.; Clary, K.; Solano, E.; Ayala-Hernández, M.M. (2020). "Yucca madrensis". IUCN Red List of Threatened Species. 2020: e.T117428165A117470097. doi:10.2305/IUCN.UK.2020-3.RLTS.T117428165A117470097.en. Retrieved 19 November 2021.
  2. ^ Gentry, Howard Scott. USDA Agriculture Handbook no. 399. Agave Family in Sonora. 159, fig. 62. 1972.
  3. ^ Flora of North America vol 26 p 428
  4. ^ CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F.
  5. ^ Laferrière, Joseph E. 1990. The taxonomy and ethnobotany of Yucca madrensis. Cactus & Succulent Journal (U.S.) 62:95-96.
Wikimedia Commons has media related to Yucca madrensis.
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Yucca madrensis: Brief Summary ( anglais )

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Yucca madrensis H. S. Gentry is a plant in the genus Yucca in the family Asparagaceae. It is native to a mountainous region in the Sierra Madre Occidental in the Mexican states of Sonora and Chihuahua. It has also been reported from Arizona It grows on steep, rocky slopes in pine-oak forests.

Yucca madrensis has indehiscent fruits and serrate leaves. This suggests relationships with Y. rigida Trel. and Y. schottii Engelm. It differs from both those species by several characters such as narrowness of the leaves, glabrous inflorescence, and short stature.

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Yucca madrensis ( espagnol ; castillan )

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Yucca madrensis H. S. Gentry[1]​ es una especie de planta fanerógama perteneciente a la familia Asparagaceae.

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En su hábitat

Distribución

Es originaria de la región montañosa en la Sierra Madre Occidental en los estados mexicanos de Sonora y Chihuahua. También se ha informado de Arizona,[2]​ donde crece en laderas empinadas y rocosas en los bosques de pinos y encinos.[3]

Descripción

Yucca madrensis tiene frutos indehiscentes y hojas serradas. Esto sugiere que está relacionada con Y. rigida Trel. and Y. schottii Engelm.. Se diferencia de ambas especies por varios detalles, como la estrechez de las hojas, la inflorescencia glabra y su baja estatura.[4]

Taxonomía

Yucca madrensis fue descrita por Howard Scott Gentry y publicado en The Agave Family in Sonora 159–161, f. 62. 1972.[5][6][7]

Etimología

Yucca: nombre genérico que fue nombrado por Carlos Linneo y que deriva por error de la palabra taína: yuca (escrita con una sola "c").[8]

madrensis: epíteto geográfico que alude a su localización en la Sierra Madre Occidental.

Referencias

  1. Gentry, Howard Scott. USDA Agriculture Handbook no. 399. Agave Family in Sonora. 159, fig. 62. 1972.
  2. Flora of North America vol 26 p 428
  3. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F.
  4. «Laferrière, Joseph E. 1990. The taxonomy and ethnobotany of Yucca madrensis. Cactus & Succulent Journal (U.S.) 62:95-96.». Archivado desde el original el 22 de febrero de 2014. Consultado el 1 de julio de 2015.
  5. «Yucca madrensis». Tropicos.org. Missouri Botanical Garden. Consultado el 1 de julio de 2015.
  6. Yucca madrensis en PlantList
  7. «Yucca madrensis». World Checklist of Selected Plant Families. Consultado el 1 de julio de 2015.
  8. Quattrocchi, Umberto (2000). CRC World Dictionary of Plant Names. 4 R-Z. Taylor & Francis US. p. 2862. ISBN 978-0-8493-2678-3.

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Yucca madrensis: Brief Summary ( espagnol ; castillan )

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Yucca madrensis H. S. Gentry​ es una especie de planta fanerógama perteneciente a la familia Asparagaceae.

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Yucca madrensis ( vietnamien )

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Yucca madrensis là một loài thực vật có hoa trong họ Măng tây. Loài này được Gentry miêu tả khoa học đầu tiên năm 1972.[1]

Hình ảnh

Chú thích

  1. ^ The Plant List (2010). Yucca madrensis. Truy cập ngày 16 tháng 7 năm 2013.

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Yucca madrensis: Brief Summary ( vietnamien )

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Yucca madrensis là một loài thực vật có hoa trong họ Măng tây. Loài này được Gentry miêu tả khoa học đầu tiên năm 1972.

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