▁tree ▁and ▁keep ▁it ▁small . ▁They ▁are ▁sensitive ▁to ▁stress . ▁ ▁F icus ▁n eri ifolia : ▁According ▁to ▁Jerry ▁Me is lik , ▁" the ▁most ▁useful ▁fig ▁for ▁b ons ai ▁is ▁the ▁will ow ▁leaf ed ▁fig . ▁The ▁small ▁leaf ▁is ▁in ▁excellent ▁scale ▁for ▁b ons ai ▁and ▁the ▁tree ▁has ▁good ▁branch ▁ram ification , ▁good ▁bas al ▁root age ▁and ▁excellent ▁aer ial ▁root ▁formation ." ▁ ▁Port ul ac aria ▁af ra : ▁The ▁d war f ▁j ade ▁looks ▁a ▁lot ▁like ▁a ▁baby ▁j ade ▁plant ▁and ▁is ▁used ▁similarly . ▁▁ ▁Sch eff lera ▁ar bor icola : ▁The ▁Hawai ian ▁um bre lla ▁tree ▁is ▁a ▁popular , ▁hard y ▁house plant ▁that ▁is ▁ideal ▁for ▁irregular , ▁b any an ▁or ▁roots - on - rock ▁forms . ▁Since ▁it ▁can ▁spr out ▁on ▁old ▁wood , ▁an ▁old ▁spec imen ▁can ▁be ▁pr un ed ▁back ▁to ▁a ▁stock ier ▁shape ▁with ▁thick ▁tr unk ▁and ▁roots . ▁It ▁toler ates ▁root ▁expos ure ▁very ▁well , ▁is ▁dr ought - res istant ▁and ▁requires ▁a ▁moder ate ▁amount ▁of ▁light . ▁Under ▁high ▁hum id ity ▁conditions , ▁it ▁produces ▁aer ial ▁roots ▁and ▁can ▁therefore ▁be ▁sh aped ▁as ▁a ▁b any an ▁tree . ▁ ▁Schl umber ger a : ▁The ▁Christmas ▁c act us ▁does ▁not ▁have ▁a ▁real ▁tr unk ▁but ▁easily ▁l ends ▁itself ▁to ▁a ▁cas cade - type ▁b