▁the ▁family ▁Prim ul aceae . ▁It ▁compr ises ▁two ▁species , ▁both ▁of ▁which ▁are ▁known ▁by ▁the ▁common ▁name ▁fe ather fo il : ▁ ▁Hot ton ia ▁pal ust ris , ▁or ▁water ▁vio let , ▁native ▁to ▁Europe ▁and ▁western ▁Asia ▁Hot ton ia ▁infl ata , ▁or ▁American ▁fe ather fo il , ▁native ▁to ▁North ▁America ▁ ▁The ▁two ▁species ▁differ ▁marked ly ▁in ▁the ▁size ▁of ▁the ▁flowers , ▁which ▁are ▁show y ▁in ▁the ▁E uras ian ▁H .   pal ust ris ▁but ▁much ▁smaller ▁in ▁the ▁North ▁American ▁H .   infl ata , ▁and ▁in ▁the ▁thick ness ▁of ▁the ▁stem , ▁which ▁is ▁sw ol len ▁in ▁H .   infl ata ▁but ▁not ▁in ▁H .   pal ust ris . ▁The ▁two ▁species ▁also ▁differ ▁in ▁their ▁bre eding ▁system : ▁H .   pal ust ris ▁is ▁heter ost yl ous , ▁whereas ▁H .   infl ata ▁is ▁not . ▁ ▁Carl ▁Lin na eus ▁named ▁the ▁genus ▁in ▁his ▁ 1 7 5 3 ▁book ▁Species ▁Plant ar um , ▁comm emor ating ▁the ▁botan ist ▁Peter ▁Hot ton . ▁ ▁Further ▁reading ▁ ▁References ▁ ▁External ▁links ▁ ▁Category : Prim ul aceae ▁Category : Prim ul aceae ▁gener a ▁Category : T ax a ▁named ▁by ▁Carl ▁Lin na eus <0x0A> </s> ▁N it ta ▁Station ▁is ▁the ▁name ▁of ▁multiple ▁train ▁stations ▁in ▁Japan . ▁▁ ▁N it ta ▁Station ▁( F uk