Acacia 
31. 
31. 
MIMOSACEAE 
Spikes deep yellow to golden; pods terete, 85-200 mm long, 
constricted betweentscedspimmmneterssrtrtreisistesessetertrieeterstastirttesaisirnse rss. A. torulosa 
Phyllode typically >12 times as long as wide, rarely as low as 9 ay 15 
Phyllode <12 times as long as wide and mostly <6 ....ceesesesesssstesssseseessesceeseseseeeeeteeees 17 
Pods broadest towards apex, opening elastically from Apex .........s.csesesesseseseseeeeneseseeeeeenees A. oncinocarpa 
Podsrotherwiscmemrsrrt.ccasteescsnttittecttrees fierce: srersttertterstertcrrrerettiorsrrerrersireesssrstyiets 16 
Pods terete, longitudinally wrinkled, constricted between seeds, to 7 mm wide ...........+++ A. torulosa 
Pods with parallel sides, undulate, resinous, 6-12 MM Wide ou... cee eeseseeseeeseeeseeeeesenenees A. plectocarpa 
Phyllodes ellipticiwith obtuse;apexterctsssnrssrrssteestcetocserctssrsresrecesetettctieten it ictesesssstreteste?? 18 
Phyllodes markedly falcate or dimidiate, mostly with acute apices ..........c.ccsesseseeseeeeseeeeees 19 
Pods flattened, broadest towards apex, opening elastically from apex .........cscseeceessesereeees A. oncinocarpa 
Pods ‘cylindrical opening: otherwiseriiiscrsssrestereerttirstececessetsvecestctincreesierasresstortovsenenteseseonstes A. umbellata 
Pod prominently obliquely transversely veined, 1-2 cm wide; 
Seeds! Oblique, to, tramSVerse-1N POM sircv.ccc.csessecescssasvecessscstscensesussceenessasarsesesqorseiserestegtatesss A. aulacocarpa 
NOtfasabOVenerateettrrsnetrtertrermritstiverntiisictrtioncrnritactierieetttertettettsttererstrorertt retire 20 
Phyllodes dimidiate or falcate-dimidiate, 2.6-7.6 times as long as wide, 
secondary veins not anastomosing; spikes densely flowered; pods cylindrical............. A. difficilis 
Phyllodes narrowly elliptic, curved or falcate, (4.5)7.2-17.2 times as long as wide, 
secondary veins sparsely or loosely anastomosing; spikes with flowers interrupted; 
pods flattened and raised over Seeds .....1......scsssssssssssssvsecssssesscssssscssssececasescoseesescengeotegee A. leptocarpa 
Trees; flower spikes >55 mm long; pods coiled, opening along length ... A. auriculiformis 
Shrubs; flower spikes <45 mm long; pods not COI ed. .......cccssessseenseseseseeeseteseneneneneteneneeeeee 22 
Phyllodes <50 mm long, <5 times as long aS Wide. ......cscsceseseeseseseseeeeeseseeteeneneeteteneneneneees A. mountfordiae 
Phyllodes >100 mm long, >5 times as long aS Wide. .........sccsesesesessseseseecseseneneneneneeenerensees 23 
Phyllodes >12 mm wide; mucro short and knob-like; calyx lobes glabrouS ..........:1+ A. oligoneura 
Phyllodes mostly <12 mm wide; mucro slender, c. 1.5 mm long; calyx lobes ciliate ....... A. praetermissa 
Phyllodes quadrangular in section, <1 MM Wide ..........seseeseceeseeseceeesteseeeseseseenesenseneeseesens A. alleniana 
Phyllodes terete or flat, mostly >1 mM Wide .......ceccsesseseceeeeteseeeceeseeteneeenterentesaeensaeeneneees 25 
Phyllodes flat, uninerved, sometimes with secondary longitudinal nerve developed ........ A. praelongata 
Phyllodes plurinerved, terete Or flat ........sssssecsessecsssessessssseessenseneeneensensensensesssnssnssscsessnssseens 26 
Phyllodes >20 mm Wide ........sssccsssececsessessssssesessessesecsenecsenesessncecenssecessesscsesasssscensnseesseensnsees ; 32 
Phyllodes <20 mm Wide .........ssscssssssessesseessssssssesecssenecsscnecnecsccnceseescevesscensssssscsucsscasseesseeeeees 27 
Phyllodes <25 mmilOng...c....ccssecccscsssecsnsessesesssstescssesconegtscssesssesensuscssscnsccssssotseeestinsenvssessonss A. nuperrima 
Phyllodes mostly >30 mm long ........sssssecsssessseccesccnsscnesssecsenssensesnssennscssecessssssesssssssssssesssesens 28 
Phyllodes with 1 or more principal longitudinal nerves basally 
Confluent with lower Margin ........sssccsssessescssseccsssesssssscstctssesccessscsssnecessvesseonezseesenegsssszevees A. platycarpa 
Nerves all separate to base of phyllode or if confluent then never with lower margin ...... 29 
Two prominently raised major longitudinal nerves 30 
Major longitudinal nerves >2 OF ODSCUTE ..s.sssessesssessseecsesssesseresseenseecsnecnsessnecsnsecneesnersnrees 31 
Phyllode apex acute; inflorescence axis to 30 mm long; pods <20 mmm wide ...........4+ . A. latescens 
Phyllode apex obtuse; inflorescence axis longer than 65 mm; pods >20 mm wide........... A. mimula 
Phyllodes usually with rounded obtuse apices; flower heads in raceme «.......sessseeesseeessees A. hemignosta 
Phyllodes with acute apices, usually with prominent mucro; 
flowerheads solitary.Orin pairshisrsserestessssstsectlsseostestierssesssettersesscsrteicersteesesecaceterereectenr A. multisiliqua 
