1 9 5 4 ), ▁British ▁mole cular ▁bi ologist ▁Jonathan ▁C . ▁Jones ▁( born ▁ 1 9 7 6 ), ▁Bar bad ian - born ▁Canadian ▁thorough bre d ▁horse - rac ing ▁j ockey ▁Jonathan ▁Jones ▁( c ivil ▁servant ) ▁( born ▁ 1 9 6 2 ), ▁British ▁government ▁lawyer ▁ ▁See ▁also ▁John athon ▁Jones , ▁American ▁basketball ▁player , ▁born ▁ 1 9 8 1 ▁John ▁Jones ▁( disambiguation ) ▁Jon ▁Jones ▁( disambiguation ) ▁Jo ▁Jones ▁( 1 9 1 1 – 1 9 8 5 ), ▁US ▁swing ▁era ▁jazz ▁drum mer <0x0A> </s> ▁Sil ene ▁d oug las ii ▁is ▁a ▁species ▁of ▁flow ering ▁plant ▁in ▁the ▁family ▁C ary oph yl lace ae ▁known ▁by ▁the ▁common ▁name ▁Douglas ' s ▁catch fly . ▁ ▁It ▁is ▁native ▁to ▁western ▁North ▁America ▁from ▁British ▁Columbia ▁to ▁California ▁to ▁Wy oming , ▁where ▁it ▁grows ▁in ▁several ▁habitat ▁types , ▁including ▁for ests , ▁wood lands , ▁and ▁coast al ▁scr ub . ▁ ▁Description ▁Sil ene ▁d oug las ii ▁is ▁a ▁tu ft ed ▁per enn ial ▁her b ▁growing ▁from ▁a ▁branch ing ▁c au dex ▁and ▁tap root , ▁its ▁st ems ▁dec umb ent ▁to ▁ere ct ▁and ▁up ▁to ▁ 7 0 ▁cent im eters ▁long . ▁The ▁stem ▁is ▁co ated ▁in ▁cur ly ▁or ▁felt like ▁gray - white ▁hair s . ▁The ▁lance - sh aped ▁leaves ▁are ▁up ▁to ▁ 6 ▁cent