ct ▁stem ▁or ▁a ▁small ▁cluster ▁of ▁st ems ▁up ▁to ▁ 7 0 ▁cent im eters ▁tall . ▁The ▁thick ▁leaves ▁have ▁wide ▁lance - sh aped ▁bl ades ▁a ▁few ▁cent im eters ▁long ▁which ▁are ▁bor ne ▁on ▁long ▁pet i oles ; ▁smaller ▁leaves ▁occur ▁farther ▁up ▁the ▁st ems . ▁ ▁The ▁infl ores c ence ▁be ars ▁several ▁flower ▁heads ▁containing ▁many ▁yellow ▁disc ▁flor ets ▁and ▁several ▁narrow ▁yellow ▁ray ▁flor ets ▁each ▁up ▁to ▁ 1 . 6 ▁cent im eters ▁long . ▁ ▁Hab itat ▁Pack era ▁lay ne ae ▁grows ▁in ▁c ism ont ane ▁chap ar ral ▁and ▁o ak ▁wood lands ▁habit ats ▁of ▁the ▁California ▁Inter ior ▁chap ar ral ▁and ▁wood lands ▁e cor eg ion , ▁often ▁on ▁ser pent ine ▁so ils ▁and ▁weather ed ▁gab bro . ▁ ▁Conserv ation ▁The ▁plant ▁faces ▁several ▁thre ats ▁and ▁was ▁feder ally ▁listed ▁as ▁a ▁threatened ▁species ▁in ▁ 1 9 9 6 . ▁ ▁The ▁plant ▁grows ▁in ▁chap ar ral ▁and ▁wood lands ▁habit ats ▁that ▁are ▁dependent ▁on ▁a ▁fire ▁e col ogy ▁of ▁periodic ▁wild f ires . ▁Fire ▁supp ression ▁efforts ▁alter ▁available ▁sun light ▁for ▁germ ination ▁and ▁on going ▁growth , ▁and ▁delay ▁the ▁natural ▁' bi om ass ▁maintenance ' ▁of ▁all ▁plants ▁in ▁this ▁e cos ystem . ▁Other ▁thre ats ▁include ▁development , ▁min ing , ▁off - road ▁vehicle ▁use , ▁gra zing , ▁and ▁the ▁increasing