ata ▁is ▁a ▁plant ▁in ▁the ▁cit rus ▁family ▁R ut aceae ▁and ▁is ▁en demic ▁to ▁New ▁South ▁Wales . ▁It ▁is ▁a ▁sparse , ▁ere ct ▁shr ub ▁with ▁mostly ▁three - part ▁leaves ▁and ▁groups ▁of ▁up ▁to ▁ 2 1 ▁small ▁white ▁flowers , ▁the ▁groups ▁shorter ▁than ▁the ▁leaves . ▁It ▁mostly ▁occurs ▁in ▁the ▁lower ▁Blue ▁Mountains , ▁but ▁is ▁also ▁known ▁from ▁other ▁areas ▁around ▁Sydney . ▁ ▁Description ▁Z ier ia ▁invol uc r ata ▁ ▁is ▁a ▁sparse , ▁ere ct ▁shr ub ▁that ▁grows ▁to ▁a ▁height ▁of ▁ ▁with ▁its ▁branches ▁and ▁leaves ▁dens ely ▁covered ▁with ▁soft , ▁vel v ety ▁leaves . ▁The ▁leaves ▁have ▁a ▁pet io le ▁ ▁long ▁and ▁are ▁mostly ▁composed ▁of ▁three ▁elli ptic ▁to ▁lance - sh aped ▁leaf lets ▁ ▁long ▁and ▁ ▁wide , ▁although ▁some ▁leaves ▁may ▁have ▁only ▁one ▁leaf let . ▁The ▁leaf lets ▁are ▁more ▁or ▁less ▁flat , ▁dark ▁green ▁on ▁the ▁upper ▁surface ▁and ▁light ▁grey ish - green ▁below . ▁The ▁flowers ▁are ▁white , ▁sometimes ▁with ▁a ▁p ink ▁t inge ▁and ▁arranged ▁in ▁groups ▁of ▁between ▁three ▁and ▁ 2 1 , ▁the ▁groups ▁mostly ▁shorter ▁than ▁the ▁leaves . ▁H air y , ▁leaf - like ▁b ract s ▁surr ound ▁the ▁flowers ▁and ▁usually ▁remain ▁on ▁the ▁plant ▁during ▁flow ering ▁and ▁are ▁ ▁long . ▁The ▁sep als ▁are ▁tri angular , ▁ ▁long ▁and ▁the ▁four ▁pet als ▁are