Asplenium anceps Índice Descripción Hábitat Distribución Híbridos Taxonomía Véase también Referencias Enlaces externos Menú de navegación«Asplenium anceps»en Epítetos BotánicosFicha del Asplenium anceps en las Islas AzoresAsplenium anceps en la Lista Roja de la Flora Vascular EspañolaVer fotos del Asplenium ancepsMás fotos del Asplenium anceps

AspleniumFlora de MacaronesiaPlantas descritas en 1830Plantas descritas por LowePlantas descritas por HookerPlantas descritas por Greville


especiehelechoAspleniaceaeMacaronésicafrondesraquisaurículasorosLaurisilvapinaresmusgoslíquenesIslas AzoresMadeiraIslas CanariasLoweHook.Grev.nombre científicogéneroEdad Mediabazobilis negralatíngriegoepítetocromosomas



















Symbol question.svg

 

Asplenium anceps

Anceps-madeira.jpg
Taxonomía

Reino:
Plantae

División:
Pteridophyta

Clase:
Polypodiopsida

Orden:
Polypodiales

Familia:
Aspleniaceae

Género:
Asplenium

Especie:
Asplenium anceps
Lowe ex Hook. et Grev. (1971)]
[editar datos en Wikidata]

Asplenium anceps es una especie de helecho diploide de la familia Aspleniaceae.




Índice





  • 1 Descripción


  • 2 Hábitat


  • 3 Distribución


  • 4 Híbridos


  • 5 Taxonomía


  • 6 Véase también


  • 7 Referencias


  • 8 Enlaces externos




Descripción


Es uno de los ancestros de los helechos que forman el complejo trichomanes. Vive exclusivamente en los tres archipiélagos más septentrionales de la región Macaronésica, es decir, es un endemismo macaronésico. Sus frondes son coriáceos como de plástico y el raquis es muy grueso, de color marrón rojizo brillante y está recorrido en toda su extensión por tres alas, dos en su cara superior que dibujan un surco y una tercera en su cara inferior, que es característica y exclusiva de esta especie, ya que todas las demás especies del complejo trichomanes carecen de ella. Una característica típica de este helecho, que comparte con todos sus descendientes híbridos ( Asplenium azoricum, Asplenium azomanes y Asplenium X tubalense ), es la existencia de una pequeña aurícula en la base de las pinnas medianas e inferiores dirigida hacia el apex de la lámina con uno o dos soros en su envés.



Hábitat


Crece a la sombra de bosques de Laurisilva y de pinares de alta montaña entre las piedras de las paredes y las grietas de rocas volcánicas orientadas hacia el norte y noroeste, sobre un sustrato de musgos y líquenes.



Distribución


Vive en las Islas Azores, Isla de Madeira e Islas Canarias.



Híbridos



  • Asplenium azoricum: híbrido alotetraploide por cruzamiento entre A. anceps y un ejemplar del complejo trichomanes.


Taxonomía


Asplenium anceps fue descrita por Lowe ex Hook. et Grev. y publicado en Icones Filicum 2(10): t. 195. 1830.[1]​


Etimología


El nombre científico del género Asplenium hace referencia al uso terapéutico que se daba a estas plantas durante la Edad Media para curar enfermedades ligadas con el bazo (melancolía, supuestamente, causada por exceso de bilis negra). Así, Asplenium sería una adaptación al latín del griego "splen" (bazo).


anceps: epíteto que significa con "dos cabezas o dos bordes afilados".[2]​


Citología


Número de cromosomas de Asplenium anceps (Fam. Aspleniaceae) y táxones infraespecíficos: n=36[3]​


Sinonimia


  • Asplenium trichomanes subsp. anceps


Véase también



  • Clasificación de los organismos vegetales.

  • Para una descripción básica de morfología y anatomía de los helechos ver Pteridophyta.

  • Terminología descriptiva de las plantas


Referencias



  1. ↑ «Asplenium anceps». Tropicos.org. Missouri Botanical Garden. Consultado el 22 de septiembre de 2012. 


  2. ↑ en Epítetos Botánicos


  3. ↑ A chromosome count for Asplenium anceps from the Canary Islands Rasbach, H. & K. Rasbach (1981) Fern Gaz. 12(3): 157-159



Enlaces externos



  • Wikimedia Commons alberga una categoría multimedia sobre Asplenium anceps.

  • Ficha del Asplenium anceps en las Islas Azores

  • Asplenium anceps en la Lista Roja de la Flora Vascular Española

  • Ver fotos del Asplenium anceps

  • Más fotos del Asplenium anceps


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