, ▁th ist les , ▁and ▁d and el ion . ▁D and el ion , ▁as ▁a ▁case ▁in ▁point , ▁was ▁introduced ▁into ▁North ▁America ▁by ▁European ▁sett lers ▁who ▁used ▁the ▁young ▁leaves ▁as ▁a ▁sal ad ▁green . ▁ ▁The ▁study ▁of ▁this ▁family ▁is ▁known ▁as ▁syn an ther ology . ▁ ▁Et ym ology ▁and ▁pron unci ation ▁The ▁name ▁A ster aceae ▁() ▁comes ▁to ▁international ▁scientific ▁voc ab ul ary ▁from ▁New ▁Latin , ▁from ▁ ▁A ster , ▁the ▁type ▁genus , ▁+ ▁- aceae , ▁a ▁standard ized ▁suffix ▁for ▁plant ▁family ▁names ▁in ▁modern ▁tax onomy . ▁The ▁genus ▁name ▁comes ▁from ▁the ▁Class ical ▁Latin ▁word ▁, ▁" star ", ▁which ▁came ▁from ▁An cient ▁Greek ▁ ▁( ), ▁" star ". ▁ ▁The ▁earlier ▁name , ▁Compos ita e ▁( now ▁recognized ▁as ▁an ▁alternative ▁name ) ▁means ▁" compos ite " ▁and ▁refers ▁to ▁the ▁characteristic ▁infl ores c ence , ▁a ▁special ▁type ▁of ▁pseud anth ium ▁found ▁in ▁only ▁a ▁few ▁other ▁ang ios perm ▁families . ▁ ▁The ▁vern ac ular ▁name ▁da isy , ▁widely ▁applied ▁to ▁members ▁of ▁this ▁family , ▁is ▁derived ▁from ▁the ▁Old ▁English ▁name ▁of ▁the ▁da isy ▁( B ell is ▁per ennis ): ▁, ▁meaning ▁" day ' s ▁eye ". ▁This ▁is ▁because ▁the ▁pet als ▁open ▁at ▁dawn ▁and ▁close ▁at ▁d usk . ▁ ▁Distribution ▁ ▁A ster aceae ▁species ▁have ▁a ▁cosm opol itan