ty ▁appearance ▁due ▁to ▁fine ▁cr is ped ▁hair s , ▁inter sp ers ed ▁with ▁many ▁ 3 – 4   mm ▁( 0 . 1 2 – 0 . 1 6   in ) ▁long ▁straight ▁hair s . ▁The ▁leaves ▁are ▁invert ed ▁egg - sh aped ▁to ▁w edge - sh aped ▁or ▁very ▁broad ly ▁w edge - sh aped , ▁ 7 – 1 0   cm ▁( 3 – 4   in ) ▁long ▁and ▁ 3 – 5   cm ▁( 1 ¼ – 2 ▁in ) ▁broad , ▁narrow ing ▁at ▁the ▁foot ▁In to ▁a ▁st alk , ▁the ▁tip ▁rounded ▁or ▁bl unt ▁often ▁deeply ▁inc ised ▁and ▁ending ▁in ▁five ▁to ▁ten ▁b ony ▁teeth , ▁hair less , ▁but ▁fel ty ▁near ▁the ▁st alk . ▁ ▁The ▁flower ▁heads ▁are ▁glo be - sh aped , ▁ 8 – 9   cm ▁( 3 . 2 – 3 . 6   in ) ▁across , ▁se ated ▁or ▁with ▁a ▁st alk ▁of ▁up ▁to ▁ 1 ½ ▁cm ▁( 0 . 6   in ) ▁long . ▁The ▁common ▁base ▁of ▁the ▁flowers ▁in ▁the ▁same ▁head ▁is ▁cyl inder - sh aped , ▁about ▁ 3   cm ▁( 1 . 2   in ) ▁long ▁and ▁ 1   cm ▁( 0 . 4   in ) ▁wide . ▁The ▁b ract s ▁subt ending ▁the ▁head ▁are ▁broad ly ▁o val ▁with ▁a ▁point y