Albizia amara (Roxb.) B. Boivin

Die Bittervalsdoring (Albizia amara) is 'n middelgroot boom wat voorkom in miombo-bosveld in 'n groot deel van Zimbabwe. Die boom het 'n digte kroon met neerhangende blare wat swaar lyk en egter uit fyn pinnas bestaan.

Fotogalery

• Blare en blomme

• Takke

• Peule

Sien ook

• Alfabetiese lys van Suid-Afrikaanse bome

Bron

• Watter Boom is dit? Eugene Moll 2013 ISBN 978 1 77007 832 1

Eksterne skakels

• Wikimedia Commons het meer media in die kategorie Bittervalsdoring.

Hierdie artikel is ’n saadjie. Voel vry om Wikipedia te help deur dit uit te brei.

Albizia amara is a tree in the family Fabaceae. Its range includes southern and Eastern Africa, from South Africa to Sudan and Ethiopia. It is also found in India and Sri Lanka.^[2]

Description

Albizia amara is a mid-sized, deciduous tree which resembles acacia without the thorns.^[3] The bark of the tree is grey in color and is grainy and scaly.^[3] The leaves consist of up to 15 pairs of side stalks and the leaflets are tiny and can consist of about 15–35 pairs.^[3] The flowers are whitish-yellow powder puffs with long stamens and golden pollen.^[3] The pods are flat and are about 20 cm long.^[3] The leaves thin out during February–March and are renewed in April.^[3] The flowers are present throughout May and the fruits ripen during October and November.^[3] It is a host plant for Achaea janata.^[4]

Ecology

Albizia amara is intolerant of shade, and resistant to drought. In Africa it grows mainly in sandy woodlands.^[2]

Albizia amara and Hardwickia binata are the dominant canopy trees in the Central Deccan Plateau Dry Deciduous Forests ecoregion of India.^[5] It is also found in the Anamalai, Palani and Cardamom hills of Western Ghats and the Godavari area, the Javadi Hills of Eastern Ghats in South India.^[6]

Uses

Albizia amara with flowers and pods

Medicinal uses

• The leaves and flowers are used for treatment of boils and ulcers. The leaf is also used for treatment of erysipelas.^[7]
• Paste of leaf and rootbark is used to cure both skin diseases and poisonous bites.^[8] [This journal is probably a predatory journal].
• The seeds are regarded as astringent and used in the treatment of piles, diarrhea and gonorrhea.^[8]
• The flowers are used as a remedy for cough, ulcers, dandruff and malaria.^[8]
• The pharmaceutical compounds of seeds and leaves has potential broad spectrum of anticancer activity.^[8]

Its wood is used for construction and furniture, and as a firewood. Albizia amara provides many environmental services: control of soil erosion, wind break, shade provider. It is also an ornamental tree in urban areas. Ruminants can feed its leaves.^[9]

In colonial times, in India, its "plentiful" wood was extensively used as railway fuel.^[10]

Gallery

References

Albizia amara es una especie fanerógama perteneciente a la familia de las fabáceas. Es endémica de África oriental.

Inflorescencias

Detalle de las hojas

Descripción

Es un árbol, raramente arbustivo, que alcanza un tamaño de 1.5-12 m de altura, caducifolio con la copa redondeada o plana, corteza fisurada, áspera. Las ramillas jóvenes con bastante pubescencia corta gris a dorada. Las hojas con glándulas en el lado superior del pecíolo, sésiles, de hasta aproximadamente 0,25 mm; pinnas con 4-46 pares; foliolos 12-48 parejas, oblongas a lineares, 2-5 mm. largo, 0.5-1.5 mm. de ancho, simétrica y obtusa o subaguda, a veces, en el ápice, ± adpreso-pubescente en uno o ambos lados o sólo en los márgenes, glabrescentes o no, más tarde. Flores de color blanco o rosa enrojecido, subsésiles o de hasta 1,5 mm pediceladas; bracteolas caducas, caídas en el tiempo de floración. Corola 3.5-7 mm, pubérulas o pubescentes. Legumbre oblonga, de 10-28 cm. largo, 2-5 cm. de ancho, pubérulas sobre la superficie, marrón. Semillas de 8-13 mm. largo, 7-8 mm. de ancho, aplanado.^[1]​

Taxonomía

Albizia amara fue descrita por (Roxb.) B.Boivin y publicado en Encyclopédie Méthodique, Botanique 19me Siecle, 2: 34. 1834.^[2]​

Etimología

albizia: nombre genérico dedicado a Filippo del Albizzi, naturalista italiano del siglo XVIII que fue el primero en introducirla en Europa en el año 1740 desde Constantinopla.

amara: epíteto latino que significa "amargo".^[3]​

Sinonimia

• Acacia amara Willd.
• Acacia nellyrenza Wight & Arn.
• Acacia wightii Wight & Arn.
• Mimosa amara Roxb.basónimo
• Mimosa pulchella Roxb.^[4]​

subsp. amara (Roxb.) B.Boivin

• Albizia gracilifolia Harms

subsp. sericocephala (Benth.) Brenan

• Albizia amara sensu G.C.C.Gilbert & Boutique
• Albizia sericocephala Benth.
• Albizia struthiofolia O.B.Mill.
• Albizia struthiophylla Milne-Redh.

Referencias

Albizia amara là một loài thực vật có hoa trong họ Đậu. Loài này được (Roxb.) B.Boivin miêu tả khoa học đầu tiên.^[1]

Hình ảnh

Chú thích

Liên kết ngoài

• Phương tiện liên quan tới Albizia amara tại Wikimedia Commons
• Dữ liệu liên quan tới Albizia amara tại Wikispecies

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