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Endiandra discolor ( anglais )

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Endiandra discolor is an Australian tree, growing from near Gosford, New South Wales (33° S) to Tully, Queensland (17° S) in the tropics. Common names include rose walnut and domatia tree.

Endiandra discolor is a buttressed rainforest tree. The habitat is tropical, warm temperate or subtropical rainforest, particularly on the poorer volcanic soil types, and alluvial soil near streams.

Description

Endiandra discolor is a medium to large size tree, occasionally reaching 40 metres in height and 90 cm in trunk diameter. The base of the tree is significantly buttressed, up to 2 metres high on larger trees.

The bark is brown or brownish grey, smooth on younger trees. The bark of older trees is rougher, with small depressions in the bark which are sometimes inhabited by insects. New branchlets covered with soft downy hairs.

Leaves

The leaves are alternate, not toothed. 6 to 10 cm long, 2 to 5 cm wide. Blunt or bluntly pointed at the end of the leaf. Ovate to ovate elliptic in shape. Leaf stem 5 to 10 mm long. Leaves glossy on the top surface, greyish or paler underneath. The specific name discolor refers to the difference in colour of the top and bottom leaf surfaces.

Leaves veiny. The midrib, lateral veins and net veins visible on both surfaces, raised and more evident under the leaf. Midrib and lateral veins a pale green colour. The alternative common name domatia tree refers to the prominent raised, kidney shaped glands on the underside of the leaf. They occur at the meeting of the mid-rib and some of the lateral veins.

underside of rose walnut leaf showing four domatia where the mid-rib meets the lateral veins

Flowers and fruit

Creamy green flowers occur on panicles in the months of October and November. Flowers are tiny, 2 mm long and sweetly scented. The panicles are shorter than the leaves.

The fruit matures from March to April, being a shiny black drupe, 20 to 25 mm long. The flesh is green, surrounding an oval shaped seed, 15 to 20 mm long. Like many Australian laurels, the seed is slightly ribbed. The flesh should be removed from the fruit before sowing the seeds.

Ecology

Fruit are eaten by many rainforest birds, including the wompoo fruit dove, catbird, rose crowned fruit dove, superb fruit-dove and topknot pigeon. The leaves of Endiandra discolor provide food for the larvae of the Macleay's swallowtail butterfly.[1] Endiandra discolor is a larval host for the fruit fly, Bactrocera endiandrae.[2]

References

  1. ^ "Host taxa for Graphium macleayanus (Leach, 1814)". Department of the Environment, Water, Heritage and the Arts. 9 October 2008. Archived from the original on 5 May 2011. Retrieved 14 January 2023.
  2. ^ "Bactrocera endiandrae (Perkins & May)". NSW Agriculture. Archived from the original on 12 February 2001. Retrieved 11 April 2023.
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Endiandra discolor: Brief Summary ( anglais )

fourni par wikipedia EN

Endiandra discolor is an Australian tree, growing from near Gosford, New South Wales (33° S) to Tully, Queensland (17° S) in the tropics. Common names include rose walnut and domatia tree.

Endiandra discolor is a buttressed rainforest tree. The habitat is tropical, warm temperate or subtropical rainforest, particularly on the poorer volcanic soil types, and alluvial soil near streams.

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Endiandra discolor ( espagnol ; castillan )

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Endiandra discolor es un árbol de Australia, que crece desde las cercanías de la localidad de Gosford, Nueva Gales del Sur hasta el poblado de Tully, Queensland, en el trópico. Nombres comunes incluyen nogal rosa (Rose Walnut) y árbol domatia (Domatia Tree).

Endiandra discolor es un árbol con la base ensanchada del bosque lluvioso. Su hábitat son los bosques templados, subtropicales o templados, particularmente en suelos volcánicos pobres, y en los suelos aluviales cerca de corrientes de agua.

Descripción

Endiandra discolor es un árbol de talla mediana, ocasionalmente alcanza 40 metros de altura y 90 cm de diámetro en el tronco. La base del árbol está significativamente ensanchada, llega hasta dos metros de alto en los árboles maduros.

La corteza es café o gris pardusca, suave en los árboles jóvenes. La corteza de los árboles maduros es áspera, con pequeñas depresiones a veces habitadas por insectos. Las nuevas ramillas están cubiertas con vellos sedosos.

Hojas

Las hojas son alternadas, no dentadas. De 6 a 10 cm de largo, y de 2 a 5 cm de ancho. Redondeadas o ligeramente romas al final de la hoja. De forma ovada u ovada elíptica. El tallo de la hoja es de 5 a 10 mm de largo. Las hojas son brillosas en el haz, grisáceas o más pálidas en el envés. El nombre específico discolor se refiere a la diferencia de color entre las superficies del haz y el envés.

Las hojas son venosas. La vena central, las laterales y la vena de la red son visibles en ambas superficies, levantadas y más evidentes en el envés. La vena central y las laterales tienen un color verde pálido. El nombre común alternativo Árbol Domatia (Domatia Tree) se refiere a las glándulas prominentes levantadas, en forma de riñón (domacios en español; domatia en plural en latín) en el envés. Estas crecen en la convergencia de la vena central y algunas de las venas laterales.

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Haz de una hoja de Nogal Rosa mostrando cuatro domacios donde la vena central se encuentra con las venas laterales.

Flores y fruto

Flores cremosas verdes crecen en panículas entre los meses de octubre y noviembre. Las flores son diminutas, de 2 mm de largo y de aroma dulce. Las panículas son más pequeñas que las hojas.

El fruto madura de marzo a abril, siendo una drupa negra brillosa, de 20 a 25 mm de largo. La carne es verde, rodeando una semilla de forma oval, de 15 a 20 mm de largo. Como unas lauráceas australianas, la semilla es ligeramente nervudo. Se recomienda remover la carne antes de sembrar las semillas.

Ecología

El fruto es comido por muchas aves del bosque, incluyendo paloma wompoo de fruta, ave gato verde, paloma de corona rosa, paloma superbus de fruta y paloma nudo de cabeza

Referencias

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wikipedia ES

Endiandra discolor: Brief Summary ( espagnol ; castillan )

fourni par wikipedia ES

Endiandra discolor es un árbol de Australia, que crece desde las cercanías de la localidad de Gosford, Nueva Gales del Sur hasta el poblado de Tully, Queensland, en el trópico. Nombres comunes incluyen nogal rosa (Rose Walnut) y árbol domatia (Domatia Tree).

Endiandra discolor es un árbol con la base ensanchada del bosque lluvioso. Su hábitat son los bosques templados, subtropicales o templados, particularmente en suelos volcánicos pobres, y en los suelos aluviales cerca de corrientes de agua.

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Endiandra discolor ( vietnamien )

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Endiandra discolor là loài thực vật có hoa trong họ Nguyệt quế. Loài này được Benth. miêu tả khoa học đầu tiên năm 1870.[1]

Chú thích

  1. ^ The Plant List (2010). Endiandra discolor. Truy cập ngày 14 tháng 6 năm 2013.

Liên kết ngoài


Hình tượng sơ khai Bài viết liên quan đến họ Nguyệt quế (Lauraceae) này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.
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Endiandra discolor: Brief Summary ( vietnamien )

fourni par wikipedia VI

Endiandra discolor là loài thực vật có hoa trong họ Nguyệt quế. Loài này được Benth. miêu tả khoa học đầu tiên năm 1870.

licence
cc-by-sa-3.0
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wikipedia VI