▁tree ▁does ▁not ▁bre ed ▁true ; ▁it ▁will ▁also ▁hy brid ize ▁with ▁other ▁pop l ars ▁in ▁the ▁area . ▁ ▁Se eds ▁must ▁be ▁s own ▁within ▁days ▁of ▁rip ening ▁in ▁the ▁spring ▁or ▁lose ▁vi ability . ▁ ▁It ▁is ▁s own ▁on ▁the ▁surface ▁or ▁light ly ▁covered ▁in ▁t ray s ▁on ▁a ▁cold ▁frame . ▁ ▁Despite ▁the ▁tree ' s ▁fra gr ance , ▁the ▁wood ▁is ▁" soft , ▁rather ▁w ool ly ▁in ▁texture ", ▁and ▁la cks ▁od or ▁or ▁taste , ▁and ▁is ▁of ▁relatively ▁low ▁fl amm ability . ▁ ▁A ▁root ing ▁h orm one ▁has ▁been ▁collected ▁by ▁so aking ▁its ▁cho pped ▁up ▁sho ots ▁in ▁water ▁for ▁a ▁day . ▁ ▁References ▁▁ ▁jack ii ▁Category : T rees ▁of ▁Canada ▁Category : Pl ant ▁not hos pecies <0x0A> </s> ▁Li ▁Gu oj ie ▁( ; ▁born ▁ 2 9 ▁May ▁ 1 9 4 3 ) ▁is ▁a ▁Chinese ▁computer ▁scient ist ▁who ▁served ▁as ▁Dean ▁of ▁the ▁School ▁of ▁Computer ▁and ▁Control ▁Engineering , ▁University ▁of ▁the ▁Chinese ▁Academy ▁of ▁Sciences . ▁ ▁Biography ▁Li ▁was ▁born ▁in ▁Sh ao y ang , ▁Hun an , ▁Republic ▁of ▁China , ▁on ▁May ▁ 2 9 , ▁ 1 9 4 3 . ▁His ▁father , ▁Li ▁Bin q ing ▁( ), ▁was ▁an ▁educ ator ▁who ▁served ▁as ▁president ▁of ▁Sh a od ong ▁County ▁No . 2 ▁High ▁School ▁after ▁the ▁establishment