▁known ▁only ▁from ▁the ▁Von trigger ▁Hills ▁and ▁Lan f air ▁Valley ▁of ▁the ▁eastern ▁M oj ave ▁National ▁Pres erve . ▁ ▁It ▁occurs ▁in ▁desert ▁scr ub ▁habitat . ▁ ▁The ▁plant ▁was ▁described ▁to ▁science ▁only ▁in ▁ 2 0 0 1 ▁ ▁or ▁ 2 0 0 2 ▁and ▁little ▁is ▁known ▁about ▁its ▁e col ogy . ▁ ▁Description ▁Pr un us ▁er em oph ila ▁is ▁a ▁bul ky ▁shr ub ▁with ▁tang led , ▁th orn y ▁branches . ▁It ▁can ▁reach ▁over ▁ ▁in ▁maximum ▁height . ▁ ▁The ▁decid uous ▁leaves ▁have ▁to oth ed , ▁pointed , ▁o val ▁bl ades ▁up ▁to ▁ 2 ▁or ▁ 3 ▁cent im eters ▁long . ▁They ▁are ▁light ly ▁hair y ▁in ▁texture . ▁ ▁It ▁blo oms ▁in ▁March ▁to ▁April . ▁The ▁flowers ▁occur ▁sing ly ▁or ▁in ▁pairs , ▁each ▁bearing ▁small ▁white ▁pet als . ▁Either ▁the ▁stam ens ▁or ▁p ist ils ▁abort , ▁leaving ▁female ▁or ▁male ▁flowers . ▁ ▁The ▁fruit ▁is ▁orange - rust ▁or ▁a ▁yellow ish , ▁f uz zy ▁dru pe ▁up ▁to ▁ 1 . 6 ▁cent im eters ▁wide , ▁with ▁a ▁thin , ▁dry ▁pul p . ▁ ▁Conserv ation ▁The ▁plant ▁occurs ▁in ▁the ▁M oj ave ▁National ▁Pres erve , ▁so ▁is ▁protected ▁from ▁some ▁human ▁activity , ▁but ▁is ▁a ▁Crit ically ▁end anger ed ▁species ▁threatened ▁by ▁off - road ▁vehicles , ▁gra zing , ▁min ing