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Damara Milk Bush

Euphorbia damarana L. C. Leach

Euphorbia damarana ( German )

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Euphorbia damarana ist eine Pflanzenart aus der Gattung Wolfsmilch (Euphorbia) in der Familie der Wolfsmilchgewächse (Euphorbiaceae).

Beschreibung

Die sukkulente Euphorbia damarana bildet Sträucher aus, die sich von der Basis aus dicht verzweigen und eine Höhe von bis zu 3 Meter erreichen können. In Richtung Triebspitzen werden nur wenige Verzweigungen ausgebildet. Die Pflanzen erreichen einen Durchmesser von bis zu 6 Meter. Die steifen und faserigen Triebe werden bis 12 Millimeter dick und sind gelblich grün gefärbt. Die elliptischen Blätter sind sitzend und werden bis 8 Millimeter lang und 3,5 Millimeter breit. Die abfallenden Blätter besitzen an der Basis zwei Nebenblattdrüsen.

Der Blütenstand besteht aus Cymen, die sich an bis 2 Millimeter langen Stielen befinden und in Büscheln stehen. Es werden weniger weibliche, als männliche Cyathien ausgebildet. Sie erreichen einen Durchmesser von bis zu 9 Millimeter. Die elliptischen Nektardrüsen sind gelblich gefärbt und stoßen aneinander. Es werden viele Staubblätter ausgebildet, die bewollte Brakteolen besitzen. Die nahezu kugelförmige Frucht wird 16 Millimeter lang und 20 Millimeter breit. Sie befindet sich an einem 4 Millimeter langen Stiel und besitzt vier bis sechs Fächer. Der eiförmige Samen wird 5,5 Millimeter lang und 8 Millimeter breit. Er hat eine glatte Oberfläche.

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Früchte

Verbreitung und Systematik

Euphorbia damarana ist in Namibia in Wüsten im Damaraland verbreitet.

Die Erstbeschreibung der Art erfolgte 1975 durch Leslie Charles Leach.[1] Ein Synonyme zu dieser Art ist Tirucallia damarana (L.C.Leach) P.V.Heath (1996).

Quellen

  • Urs Eggli (Hrsg.): Sukkulenten-Lexikon. Zweikeimblättrige Pflanzen (Dicotyledonen). Eugen Ulmer, Stuttgart 2002, ISBN 3-8001-3915-4, S. 136.

Einzelnachweise

  1. Bothalia Band 11, Nummer 4, S. 500–503, 1975 (online)
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Euphorbia damarana: Brief Summary ( German )

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Euphorbia damarana ist eine Pflanzenart aus der Gattung Wolfsmilch (Euphorbia) in der Familie der Wolfsmilchgewächse (Euphorbiaceae).

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Euphorbia damarana

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Euphorbia damarana - MHNT

Euphorbia damarana also known as Damara milk-bush and locally as melkbos is a species of flowering plant native to Namibia.

Taxonomy

Euphorbia damarana was described by Leslie Charles Leach and published in Bothalia 11: 500. 1975.

Appearance

The plant consists of slender and grey stems growing up to a height of 2.5 meters.[1] Yellow-brown capsules appear at the tips of the plant during the fruiting season.[1] The plants may not bear fruit as individual plants are either male or female.[1]

Toxicity

The plant is regarded as one of the most toxic plants in Namibia, but specific studies into its toxicity are not known. It has been reported that the toxic milky latex of the plant is capable of killing animals and humans except rhino and oryx who feed upon it.[2] It has been reported that if you have an open wound and come into contact with the plant its poison could kill you.[2] Another story implicated it in the deaths of 11 Oshiwambo-speaking miners at the Uis Tin Mine after consuming food cooked over a fire of Euphorbia damarana.[2]

A noted use is to contaminate watering holes with the plant's latex to poison and catch game which drink from the watering hole.[3] The plant's toxic latex is highly irritating to skin and mucous membranes.[3]

References

  1. ^ a b c "Damara Milk Bush". Niamibian.org. Retrieved April 1, 2013.
  2. ^ a b c "The exotic plant endemic to Kunene". Archived from the original on April 13, 2013. Retrieved April 1, 2013.
  3. ^ a b Schmelzer, Gabriëlla Harriët (2008). Medicinal Plants. PROTA Foundation. ISBN 9789057822049. Retrieved April 1, 2013.
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wikipedia EN

Euphorbia damarana: Brief Summary

provided by wikipedia EN
Euphorbia damarana - MHNT

Euphorbia damarana also known as Damara milk-bush and locally as melkbos is a species of flowering plant native to Namibia.

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Euphorbia damarana ( Spanish; Castilian )

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Euphorbia damarana L.C.Leach, es una especie fanerógama perteneciente a la familia Euphorbiaceae. Es endémica de Namibia.

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Fruto

Descripción

Es un arbusto perennifolio, suculento, que alcanza una altura de 1,8 a 3,0 m. Se encuentra a una altitud de 450 - 1000 metros en Namibia.[1]

Taxonomía

Euphorbia damarana fue descrita por Leslie Charles Leach y publicado en Bothalia 11: 500. 1975.[2]

Etimología

Euphorbia: nombre genérico que deriva del médico griego del rey Juba II de Mauritania (52 a 50 a. C. - 23), Euphorbus, en su honor – o en alusión a su gran vientre – ya que usaba médicamente Euphorbia resinifera. En 1753 Carlos Linneo asignó el nombre a todo el género.[3]

damarana: epíteto

Sinonimia
  • Tirucallia damarana (L.C.Leach) P.V.Heath[4][5]

Referencias

  1. «Euphorbia damarana». Conservatorio y Jardín Botánico de Ginebra: Flora africana. Consultado el 2 de julio de 2012.
  2. «Euphorbia damarana». Tropicos.org. Missouri Botanical Garden. Consultado el 2 de julio de 2012.
  3. (Spec. Pl. [ed. 1]: 450)
  4. Sinónimos en Catalogue of life [1]
  5. Euphorbia damarana en PlantList

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Euphorbia damarana: Brief Summary ( Spanish; Castilian )

provided by wikipedia ES

Euphorbia damarana L.C.Leach, es una especie fanerógama perteneciente a la familia Euphorbiaceae. Es endémica de Namibia.

 src= Fruto
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Euphorbia damarana ( Italian )

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Euphorbia damarana L.C.Leach è una pianta della famiglia Euphorbiaceae, diffusa in Angola, Namibia e Sudafrica[1].

Si tratta di una pianta velenosa, la cui linfa viene usata dai boscimani per realizzare frecce avvelenate usate per la caccia.

Note

  1. ^ (EN) Euphorbia damarana L.C.Leach, su Plants of the World Online. URL consultato il 25/8/2020.

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Euphorbia damarana: Brief Summary ( Italian )

provided by wikipedia IT

Euphorbia damarana L.C.Leach è una pianta della famiglia Euphorbiaceae, diffusa in Angola, Namibia e Sudafrica.

Si tratta di una pianta velenosa, la cui linfa viene usata dai boscimani per realizzare frecce avvelenate usate per la caccia.

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Euphorbia damarana ( Vietnamese )

provided by wikipedia VI

Euphorbia damarana là một loài thực vật có hoa trong họ Đại kích. Loài này được L.C.Leach mô tả khoa học đầu tiên năm 1975.[1]

Hình ảnh

Chú thích

  1. ^ The Plant List (2010). Euphorbia damarana. Truy cập ngày 3 tháng 6 năm 2013.

Liên kết ngoài

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Euphorbia damarana: Brief Summary ( Vietnamese )

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Euphorbia damarana là một loài thực vật có hoa trong họ Đại kích. Loài này được L.C.Leach mô tả khoa học đầu tiên năm 1975.

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