- sh aped ▁leaves , ▁flower ▁bud s ▁in ▁groups ▁of ▁seven , ▁pale ▁yellow ▁to ▁white ▁flowers ▁and ▁cup - sh aped , ▁bar rel - sh aped ▁or ▁cyl ind rical ▁fruit . ▁ ▁Description ▁Eu cal y pt us ▁luc ul enta ▁is ▁a ▁m alle e ▁that ▁typically ▁grows ▁to ▁a ▁height ▁of ▁ ▁and ▁forms ▁a ▁l ign ot uber . ▁It ▁has ▁smooth ▁grey ish ▁to ▁p ink ▁pow der y ▁b ark ▁on ▁the ▁tr unk ▁and ▁branches . ▁Young ▁plants ▁and ▁co pp ice ▁reg row th ▁have ▁st ems ▁that ▁are ▁more ▁or ▁less ▁square ▁in ▁cross - section ▁and ▁sess ile , ▁broad ly ▁lance - sh aped ▁leaves ▁that ▁are ▁ ▁long ▁and ▁ ▁wide . ▁Ad ult ▁leaves ▁are ▁arranged ▁altern ately , ▁the ▁same ▁d ull ▁grey ish ▁green ▁on ▁both ▁sides , ▁lance - sh aped ▁to ▁egg - sh aped , ▁ ▁long ▁and ▁ ▁wide , ▁tap ering ▁to ▁a ▁pet io le ▁ ▁long . ▁The ▁flower ▁bud s ▁are ▁arranged ▁in ▁leaf ▁ax ils ▁in ▁groups ▁of ▁seven ▁on ▁an ▁un branch ed ▁ped un cle ▁ ▁long , ▁the ▁individual ▁bud s ▁on ▁p edic els ▁ ▁long . ▁M ature ▁bud s ▁are ▁o val ▁to ▁p ear - sh aped , ▁ ▁long ▁and ▁ ▁wide ▁with ▁a ▁be aked ▁oper cul um ▁ ▁long . ▁Flow ering ▁has ▁been ▁observed ▁in ▁October ▁and ▁November ▁and ▁the ▁flowers ▁are ▁pale ▁yellow ▁to