▁pairs . ▁Ad ult ▁leaves ▁are ▁very ▁similar ▁to ▁the ▁ju ven ile ▁leaves , ▁arranged ▁more ▁or ▁less ▁in ▁opposite ▁pairs , ▁the ▁same ▁d ull ▁grey ish ▁green ▁on ▁both ▁sides , ▁broad ly ▁lance - sh aped ▁to ▁egg - sh aped ▁or ▁elli pt ical , ▁ ▁long ▁and ▁ ▁wide ▁on ▁a ▁pet io le ▁ ▁long . ▁The ▁flower ▁bud s ▁are ▁arranged ▁in ▁leaf ▁ax ils ▁in ▁groups ▁of ▁three ▁on ▁a ▁fl atten ed , ▁un branch ed ▁ped un cle ▁ ▁long , ▁the ▁individual ▁bud s ▁on ▁p edic els ▁ ▁long . ▁M ature ▁bud s ▁are ▁o val , ▁ ▁long ▁and ▁ ▁wide ▁with ▁a ▁four - s ided ▁fl oral ▁cup , ▁a ▁rounded ▁oper cul um ▁and ▁the ▁stam ens ▁in ▁four ▁clusters . ▁Flow ering ▁occurs ▁from ▁January ▁to ▁April ▁or ▁from ▁October ▁to ▁December ▁and ▁the ▁flowers ▁are ▁wh it ish . ▁The ▁fruit ▁is ▁a ▁wo ody , ▁bar rel - sh aped ▁to ▁cub ic , ▁four - ang led ▁caps ule ▁ ▁long ▁and ▁ ▁wide . ▁ ▁Tax onomy ▁Eu cal y pt us ▁ple uro car pa ▁was ▁first ▁formally ▁described ▁in ▁ 1 8 4 4 ▁by ▁Johannes ▁Con rad ▁Sch auer ▁in ▁Le h mann ' s ▁book , ▁Plant ae ▁Pre iss ian ae ▁from ▁spec im ens ▁collected ▁near ▁Cape ▁R iche . ▁In ▁ 1 8 6 7 ▁George ▁Bent ham ▁mentioned ▁it ▁as ▁a ▁syn