▁of ▁hair s ▁can ▁be ▁found ▁on ▁these ▁plants , ▁st iff ▁br ist les ▁with ▁several ▁cells ▁at ▁their ▁base , ▁thin ▁hair s ▁consisting ▁of ▁several ▁rows ▁of ▁cells ▁and ▁short ▁g land ular ▁hair s . ▁The ▁branches ▁are ▁mostly ▁dens ely ▁set ▁with ▁alternate ▁leaves ▁entire ▁or ▁weak ly ▁to oth ed ▁marg ins , ▁dens ely ▁hair y ▁or ▁soon ▁becoming ▁hair less . ▁The ▁heads ▁stand ▁individually ▁at ▁the ▁tip ▁of ▁side ▁branches , ▁which ▁sometimes ▁themselves ▁occur ▁in ▁clusters . ▁A ▁le a fl ess ▁infl ores c ence ▁stem ▁( or ▁ped un cle ) ▁may ▁be ▁present ▁or ▁absent . ▁The ▁centre ▁of ▁the ▁heads ▁is ▁taken ▁by ▁only ▁male , ▁only ▁bis ex ual , ▁yellow ▁disc ▁flor ets ▁or ▁a ▁mixture ▁of ▁the ▁two , ▁which ▁is ▁enc irc led ▁by ▁one ▁row ▁of ▁female ▁white ▁lig ulate ▁flor ets , ▁that ▁have ▁a ▁p ink ish ▁pur ple ▁was h ▁on ▁the ▁reverse , ▁have ▁a ▁point y ▁tip ▁without ▁teeth . ▁The ▁style ▁has ▁tri angular ▁append ages . ▁The ▁d ull ▁brown ▁to ▁yellow ish , ▁inde his cent ▁one - se eded ▁f ruits ▁( called ▁cy ps el as ) ▁have ▁no ▁short ▁hair s ▁over ▁their ▁surface , ▁have ▁two ▁v asc ular ▁bund les ▁along ▁their ▁edges , ▁are ▁crown ed ▁by ▁one ▁row ▁of ▁b one - color ed , ▁soft ▁hair s ▁( or ▁p app us ) with ▁short ▁teeth ▁along ▁their