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Topic: Acacia melanoxylon


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In the News (Mon 6 Jul 09)

  
  Acacia
Acacia is a genus of shrubs and trees of Gondwanian origin belonging to the family Leguminosae and the sub-family Mimosoideae, first described from African examples by Linnaeus 1n 1773.
Some species afford valuable timber; such are Acacia melanoxylon, fl wood of Australia, which attains a great size; its wood is used for furniture, and takes a high polish; and Acacia homalophylla (also Australian), myall wood, which yields a fragrant timber, used for ornamental purposes.
Acacia seyal is supposed to be the shittah tree of the Bible, which supplied shittim-wood.
www.ebroadcast.com.au /lookup/encyclopedia/ac/Acacia.html   (519 words)

  
 Acacia - LoveToKnow 1911   (Site not responding. Last check: 2007-10-09)
ACACIA, a genus of shrubs and trees belonging to the family Leguminosae and the sub-family Mimoseae.
Acacia arabica is the gum-arabic tree of India, but yields a gum inferior to the true gum-arabic.
In common language the term Acacia is often applied to species of the genus Robinia which belongs also to the Leguminous family, but is placed in a different section.
www.1911encyclopedia.org /Acacia   (534 words)

  
 Wikinfo | Acacia   (Site not responding. Last check: 2007-10-09)
Acacia is a genus of shrubs and trees of Gondwanian origin belonging to the subfamily Mimosoideae of the Pea Family Fabaceae, first described from Africa by Linnaeus in 1773.
In the Central American Acacia sphaerocephala (Bullthorn Acacia) and Acacia spadicigera, the large thorn-like stipules are hollow and afford shelter for ants, which feed on a secretion of honey on the leaf-stalk and curious food-bodies at the tips of the leaflets; in return they protect the plant against leaf-eating insects.
Acacia heterophylla from Mauritius and Bourbon, and Acacia koa from the Hawaiian Islands are excellent timber trees.
www.wikinfo.org /wiki.php?title=acacia   (743 words)

  
 Acacia - Wikipedia, the free encyclopedia
Acacia is a genus of shrubs and trees of Gondwanian origin belonging to the Subfamily Mimosoideae of the family Fabaceae, first described from Africa by Linnaeus in 1773.
Acacia armata is the Kangaroo-thorn of Australia, Acacia giraffae, the Camelthorn of Africa.
Acacia heterophylla from Réunion island, and Acacia koa from the Hawaiian Islands are excellent timber trees.
en.wikipedia.org /wiki/Acacia   (1128 words)

  
 HON Allergy Glossary, Mimosaceae Pollens
The Acacia genus is typically found in tropical and subtropical regions of the world, especially Austalia and the Pacific (where up to 600 species are native) as well as Africa (where they are found on the southern and eastern plains).
Acacias are characterised by their small, finely divided leaflets, which give the leafstalk a feathery or fernlike (i.e., pinnate) appearance.
Acacia flowers are typically small, yellow and fragrant with many stamens, giving the flower a 'fuzzy' appearance.
www.hon.ch /Library/Theme/Allergy/Glossary/mimosaceae.html   (204 words)

  
 Acacias
Acacias are commonly cultivated throughout temperate, tropical and desert regions, and include numerous distinctive growth forms with a profusion of yellow or white flower clusters.
The acacias reward their ant helpmates with thorn "condos" to live in, carbohydrate-rich nectar from glands on the leaf stalks, and nourishing, protein-lipid Beltian bodies on the leaflet tips.
In the case of the whistling thorn acacia, a mouthful of stinging ants is an excellent deterrent to hungry herbivores.
waynesword.palomar.edu /plaug99.htm   (3251 words)

  
 Unforgettable Acacias
Acacia blossoms are not pea-like, and for this reason the genus is placed in the subfamily Mimosoideae, along with silk tree (Albizia), fairy duster (Calliandra) and mesquite (Prosopis).
Prior to settling on a thorn acacia, the winged virgin queen ant goes on a mating flight to the highest treetop or nearby hill.
Acacias are one of the largest and most diverse groups of trees and shrubs on earth.
www.acacia-world.net /html/unforgettable_acacias.html   (3170 words)

  
 San Marcos Growers >Acacia
Acacia is a very large genus of plants in the family Mimosaceae, a subfamily of the Fabaceae or Pea family.
Acacia do not require heavy amounts of fertilizer and in some cases can be harmed by the addition of fertilizers high in phosphorus.
Acacias also will often flower within their second year so by the time a tree or shrub is planted it is usually of flowering age.
www.smgrowers.com /info/acacia.asp   (1839 words)

  
 Acacia melanoxylon
Generally speaking, flwood acacia dispenses with leaves, clothing itself with matte gray-green phyllodes 3 to 6 inches long with pronounced parallel venation, but seedlings and young sprouts from the trunk often exhibit feathery leaves emerging from the phyllodes in a very surprising way.
At Stanford, where flwood acacia volunteers regularly, valuable wood for turning and hobby use is occasionally available from trees that have sprung up where they were not wanted.
melanoxylon but has bright yellow flowers and is used as a spreading ground cover on campus, for example on the steep banks of Lathrop Drive and on the dry, steep dividing strip from 749 to 773 Mayfield Avenue.
trees.stanford.edu /ENCYC/ACAmel.htm   (342 words)

  
 Plants Belonging to the Genus 'Acacia'
Acacia amentacea synonym of Acacia rigidula (Blackbrush Acacia, Chaparro Prieto)
Acacia ornithophora synonym of Acacia paradoxa (Kangaroo Thorn)
Acacia xiphocarpa synonym of Acacia abyssinica (Flat-Top Acacia)
www.desert-tropicals.com /Plants/Fabaceae/Acacia.html   (419 words)

  
 Hunter Region Botanic Gardens Acacia Garden   (Site not responding. Last check: 2007-10-09)
The wattles (genus Acacia) belong to the family Mimosaceae, one of the three families (the other two being Caesalpiniaceae and Fabaceae) which form the very large cosmopolitan group of plants which have pea-pod-like fruits.
About 85 species of Acacia are indigenous to the Hunter Region and they form a conspicuous component of the natural flora, and most are represented in this Gardens' collection, including five species which are regarded as rare or endangered.
The Acacia Loop is a short walk around the Acacia Garden and most of the acacias within the Loop occur in the Hunter region.
www.huntergardens.org.au /12acacia.htm   (352 words)

  
 Acacia melanoxylon risk assessment   (Site not responding. Last check: 2007-10-09)
AB: The development of phytotoxicity of phyllodes from Acacia melanoxylon was studied during litter-bag decomposition in four different plots near Santiago de Compostela, NW Spain.
The toxicity of the extracts was estimated by measuring the effects on the germination and growth of Lactuca sativa var.
The proportions of fruit pods with multiple paternity detected in the 2 populations were 0.08 and 0.15, while the proportions of full sib pairs within pods estimated by the sibling pair method were 1 and 0.63.
www.hear.org /pier/wra/pacific/acacia_melanoxylon_htmlwra.htm   (2761 words)

  
 Key to Tasmanian Dicots   (Site not responding. Last check: 2007-10-09)
Acacia melanoxylon (Blackwood) is one of several species of Acacia with broad, multiveined phyllodes.
It is one of the most common and widespread of the acacias.
It ranges from a large shrub to a large tree and occurs in a wide range of forest types, including rainforest, wet sclerophyll, swamp forest and coastal forest.
www.utas.edu.au /dicotkey/DicotKey/FABACEAE/sAcacia_melanoxylon.htm   (64 words)

  
 Acacia   (Site not responding. Last check: 2007-10-09)
: prickly acacia, prickly wattle, hedge acacia, Acacia armata R.Br.
Acacias are grown as woody ornamentals and not typically weedy, but a few species have escaped cultivation in some coastal regions.
Unlike kangaroothorn and fl acacia, they lack phyllodes and have even 2-pinnate compound leaves with more than 2 pairs of pinnae (first divisions of 2-pinnate leaves) at maturity.
www.cdfa.ca.gov /phpps/ipc/weedinfo/acacia.htm   (1017 words)

  
 Acacia Seeds: acacia seeds from ANi Direct Acacia seeds
Acacias are easily grown trees native to Australia where they are known as Wattles.
Almost all acacia make good container plants inside and all can be raised outside in warmer climates.
A very popular acacia that we've received many requests for.
ourworld.compuserve.com /homepages/anico/Acacia.htm   (564 words)

  
 Plant of the Month
The first edition of Trees of Seattle cited only Acacia melanoxylon, noting that two specimens at the University of Washington campus were killed to their roots in the winter of 1988-1989, but resprouted.
Acacia foliage is of two kinds: leaflike phyllodes, and finely pinnately compound feathery or ferny true leaves (like those of Albizia).
Two Purpleleaf acacias are planted at 2305 NW 100th St (the North Beach neighborhood).
www.arthurleej.com /p-o-m-July05.html   (1721 words)

  
 Botany Photo of the Day: Acacia baileyana
Acacia scorpoides), meaning a reduction in the number of species in Acacia worldwide to 161 species, with only 7 in northern Australia.
Acacia is widespread in the SF Bay Area, and they are in full bloom right now, just like your photo.
Posted by: katherine at February 22, 2006 10:35 AM Acacia baileyana, as well as Acacia decurrens and Acacia melanoxylon (all from Austrialia) are very invasive in the Monterey Bay area of California.
www.ubcbotanicalgarden.org /potd/2006/02/acacia_baileyana.php   (983 words)

  
 Blackwood Acacia
Schwarzholzakazie
In case you want your Acacia grow bushy and shrub-like, it has to be pruned several times during its growing period (after first bloom).
Place the Acacia bright, with good air flow and temperatures between 5° to 15°C. Room air too dry might result in an attack by spider mites.
Leaf dropping is a sign either for an environment too warm and too dry, respectively, or a lack of light.
www.tropica-zaden.com /p201.html   (259 words)

  
 Acacia pycnantha - Sustainable Gardening Australia   (Site not responding. Last check: 2007-10-09)
There are over 700 species of Australian Acacia and they are found in all states, from coastal to sub-alpine regions and from high rainfall to arid inland regions.
Acacia grow fairly easily from seed and being fast growing, will often be flowering in their second year.
Despite recently being assured that Australia will keep the name Acacia with the revision of the genus, South Africa are not accepting the decision and have appealed, according to recent issues of Veldt and Flora journal.
www.sgaonline.org.au /plant_acacia.html   (583 words)

  
 Acacia melanoxylon Species Management Summary (ESA) (via CobWeb/3.1 planetlab1.cs.wisc.edu)   (Site not responding. Last check: 2007-10-09)
Blackwood acacia regenerates from seed in its native range, and copious seedling recruitment is responsible for its invasiveness in South Africa (De Zwaan, 1980).
Blackwood acacia is apparently fire-stimulated, with prolific regeneration from seed after fire (Hill 1982).
Smith (1985) lists flwood acacia as one of 33 alien species which should be monitored as potential threats to native ecosystems.
tncweeds.ucdavis.edu.cob-web.org:8888 /esadocs/documnts/acacmel.html   (859 words)

  
 PlantFiles: Detailed information on Blackwood Acacia melanoxylon
They are not as attractive as many Acacias, being pale cream in colour and rather scattered among the dense foliage of the tree.
The pods are long and tend to be curled and twisted and when the pods open, the flish seeds are seen to be surrounded by a bright red aril (the expanded seed stalk).
This is one of the few acacias which is long lived and will form a shade tree (many acacias are quite short lived and will drop dead after 8 years or so).
davesgarden.com /pf/go/56421   (424 words)

  
 CSIRO Entomology - Thysanoptera [Thrips]
More than 25 of the species are known to induce galls on phyllodes of particular Acacia species.
A larger number of species create their own domiciles by fixing two or more pairs of phyllodes together, or even by weaving a tent-like structure using a secretion from the anus, although about half of the Phlaeothripinae found on Acacia are opportunists and invade and breed in spaces created and abandoned by other insects.
The collaborative research programme on these Acacia thrips was developed by Bernie Crespi of Simon Fraser University, Canada, together with Mike Schwarz of Flinders University, Adelaide, and Laurence Mound at CSIRO Entomology, Canberra, and has given rise to more than 40 publications on their taxonomy, evolution, behaviour and host-plant relationships.
www.ento.csiro.au /thysanoptera/Acacia/AcaciaThrips.html   (316 words)

  
 GreenDealer Exotic Seeds of Acacias
Acacias, known as Wattles in Australia, are easily grown trees.
There are about 1350 species of acacia around the world, mostly in tropical and subtropical climates.
They can be trained as bonsai specimen for growing indoors and all can be raised outside in warmer climates.
www.greendealer-exotic-seeds.com /seeds/Acacias.html   (992 words)

  
 Acacia melanoxylon (Fabaceae) - HEAR species info   (Site not responding. Last check: 2007-10-09)
Information about Acacia melanoxylon is available from the Global Invasive Species Database (GISD) (a product of IUCN's Invasive Species Specialist Group [ISSG]).
Information on Acacia melanoxylon as relevant to Pacific Islands is provided by the Pacific Island Ecosystems at Risk project (PIER).
Copyright-free images of (or related to) Acacia melanoxylon (Fabaceae) (Australian flwood) by Forest and Kim Starr (USGS) are presented online.
www.hear.org /species/acacia_melanoxylon   (344 words)

  
 Acacia melanoxylon - Wikipedia, the free encyclopedia
The Australian Blackwood (Acacia melanoxylon) is an Acacia species native in eastern Australia.
Be careful with the introduction of Acacia melanoxylon into natural areas or area where the species is not present because of the potential of the species to become invasive.
Seedling recruitment should be monitored in natural ecosystems and along drainage lines.
en.wikipedia.org /wiki/Acacia_melanoxylon   (809 words)

  
 Acacia longifolia   (Site not responding. Last check: 2007-10-09)
The seeds were reportedly roasted and eaten by the Tasmanians in the 18th century.
Acacias have been used to stabilize sand dunes; Golden Gate Park was created, starting in 1871, from windswept sand dunes that had little natural vegetation.
The park was created by engineer-designer William H. Hall, as recounted by Elizabeth McClintock in The Trees of Golden Gate Park and San Francisco (Heyday Books, Berkeley, 2001).
trees.stanford.edu /ENCYC/ACAlong.htm   (236 words)

  
 Botany online: Rosidae - Fabales - Mimosaceae - Acacia - Phylloclades   (Site not responding. Last check: 2007-10-09)
Phylloclades: Acacia cyanophylla and Acacia glaucoptera: The leaves do never carry flowers.
Acacia nigrescens: knob tree, species of the Southern African savannah.
The knob-like excrescences at the stem are remarkable.
www.biologie.uni-hamburg.de /b-online/e51/acacnigr.htm   (61 words)

  
 Acacia longifolia   (Site not responding. Last check: 2007-10-09)
Propagate or purchase shrubs if organic control is available for tip burn.Historic.Most Acacias removed 1988, one remains.
Do not add more Acacia until Thrip(tip burn) problem is solved.
According to J. Figueredo interview of 1980 "a kind of acacia" was located by the
members.frys.com /~bpmosley/Aca_lon.HTM   (63 words)

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