Acacia dealbata Link
  • Mimosa blanchâtre


Cite taxon page as 'WFO (2021): Acacia dealbata Link. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000192338. Accessed on: 28 Nov 2021'

General Information

Shrubs or trees, small, ca. 15 m tall, unarmed. Young branchlets slightly angular with ridges gray tomentose, glau­cous. Leaves argenteous to greenish or golden when not ex­tended; rachis not angulate; glands at rachis of pinna insertion; pinnae 10-20(-25); leaflets 26-46 pairs, dense, distance between leaflets not more than width of 1 leaflet, linear, 2.6-3.5 × 0.4-0.5 mm, abaxially or both surfaces gray-white pubescent. Heads 6-7 mm in diam., arranged in axillary racemes or pani­cles; peduncles ca. 3 mm. Flowers yellowish or orange-yellow. Legume red-brown or black, glaucous, oblong, flat, 3-8 cm × 7-12 mm, glabrous. Seeds elliptic, flat. Fl. Apr, fr. Jul-Aug. 2n = 26.

  • Provided by: [D].Flora Of CHina @ efloras.org
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    Diagnostic Description

    A. dealbata is sometimes confused with A. mearnsii. It differs from the latter in lacking the glands in between the pinnae pairs along the upper surface of the leaf-rhachis, in being more pruinose, and in having wider usually less moniliform pods.

  • Provided by: [A].e-Flora of South Africa
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    Morphology

    Shrub or small tree 2.5-10 m. high, rarely more; young branchlets usually densely short-pubescent, rarely subglabrous, and also ± grey-pruinose; pubescence grey, or yellowish at first then grey.

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    Leaves: petiole (0.5)1-2 cm. long, eglandular; rhachis 2.5-9.5 cm. long, with a raised gland above at the junction of each pair of pinnae, but without other glands in between as in A. mearnsii; pinnae (5)12-26 pairs; leaflets in 17-50 pairs, 2.5-5.5 x 0.4-0.7 mm., linear-oblong.

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    Flowers bright-yellow, in heads 4-7 mm. in diam. on peduncles up to 6 mm. long, panicled or racemose.

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    Pods dehiscent along one margin, 3-8 x 0.7-1.3 cm., not or only slightly moniliform.

  • Provided by: [E].Plants Of the World Online Portal - FZ
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    Seeds brown to blackish-brown, 5-6 x 3-3.5 mm.; caruncle conspicuous; areole 3.5-4 x 0.75-1.5 mm.

  • Provided by: [E].Plants Of the World Online Portal - FZ
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    Bis 15 m hoher, immergrüner Baum oder Strauch, ohne Dornen. Junge Triebe weissfilzig. Blätter 2fach gefiedert, mit 8–25 Fiederpaaren. Fiederchen 2–5 mm lang. Blüten gelb, stark duftend. Die 4–5 Kronblätter zu einer kurzen Röhre verwachsen, von den zahlrei

  • Provided by: [C].Flora Helvetica – Illustrierte Flora der Schweiz
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    Shrub or tree, up to 15 m high; with a rounded crown; unarmed. Leaves with leaf rachis with gland at junction of all or most pairs of pinnae but not between pinnae pairs; leaflets 1.55.5 mm long. Flowers: inflorescence capitate; corolla bright yellow; Jul.-May. Pods not or slightly moniliform, dehiscing longitudinally along one margin only.

  • Provided by: [A].e-Flora of South Africa
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    Unarmed shrub or tree, up to 15 m high. Leaf rhachis with gland at junction of all or most pairs of pinnae but not between pinnae pairs; leaflets 1.5-5.5 mm long. Pods not or slightly moniliform. Flowers bright yellow.

  • Provided by: [A].e-Flora of South Africa
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    Unarmed shrub or tree up to 15 m high with a conical or rounded crown; bark grey-brown to blackish, smooth or rough on very old trunks; young branchlets usually densely short-pubescent, rarely subglabrous, ± grey-pruinose, indumentum grey or sometimes yellowish at first and then grey. Leaves bipinnate, often glaucous; petiole 0.5-2 cm long, eglandular; rhachis 2.5-10 cm long, with a raised gland on its upper surface at the junction of each pair of pinnae, but without other glands in between the pinnae pairs as in A. mearnsii; pinnae (5)10-26 pairs; leaflets in 17-50 pairs, 2-5.5 x 0.4-0.7 mm, linear-oblong, sparingly to ± densely pubescent or glabrous beneath, margins with or without cilia. Inflorescences capitate, panicled or racemose. Flowers bright yellow; peduncles densely pubescent, up to 6 mm long. Calyx and corolla glabrous except for apices of the lobes. Pods 3-8 x 0.7-1.3 cm, not or only slightly moniliform, dehiscing longitudinally along one margin only, straight or slightly curved. Seeds brown to blackish-brown, 5-6 x 3-3.5 mm, elliptic, compressed, smooth; caruncle conspicuous; areole 3.5-1 x 0.75-1.5 mm.

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    Unarmed, evergreen tree, 5-15 m, branches with velvety-hairy growth tips, initially yellow, turning greyish or white. Leaves bipinnate, silvery grey, finely hairy. Flowers in globose heads, pale to bright yellow. Pods greyish or purplish brown, slightly constricted between seeds.

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    Ecology

    2–4. Kultiviert und im südlichen TI verwildernd, Parkanlagen, Wälder, Gebüsche, kollin.

  • Provided by: [C].Flora Helvetica – Illustrierte Flora der Schweiz
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    Habitat

    Mesic Grassland. Riverbanks, roadsides.

  • Provided by: [A].e-Flora of South Africa
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    Riverbanks and roadsides.

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    Grasslands, roadsides, watercourses.

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    Distribution

    Native to Australia.

  • Provided by: [A].e-Flora of South Africa
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    Native of Australia.

  • Provided by: [A].e-Flora of South Africa
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    Introduced from Australia.

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    Australian and Tasmanian weed.

  • Provided by: [A].e-Flora of South Africa
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    Other Local Names

    NameLanguageCountry
    Mimosa blanchâtreFrenchCH
    Falsche MimoseGermanCH
    Acacia dealbataItalianCH

      Bibliography

     Information From

    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • A All Rights Reserved
    Fabaceae
    World Flora Online Data. 2017.
    • B CC0 1.0 Universal (CC0 1.0).
    Flora Helvetica – Illustrierte Flora der Schweiz
    http://www.flora-helvetica.ch
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • C All Rights Reserved
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • D Missouri Botanical Garden
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • E
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).
    Global Tree Search
    https://tools.bgci.org/global_tree_search.php
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • G Botanic Gardens Conservation International