  in ) ▁straight ▁long ▁hair s ▁on ▁the ▁outer ▁surface , ▁all ▁strongly ▁cur led ▁back ▁after ▁the ▁flower ▁opens . ▁The ▁upper ▁part ▁( or ▁lim bs ), ▁which ▁en closed ▁the ▁pol len ▁present er ▁in ▁the ▁bud , ▁are ▁very ▁narrow ly ▁el lipse - sh aped , ▁each ▁about ▁ 5   mm ▁long ▁and ▁ 1 ½ ▁mm ▁wide , ▁fel ty ▁with ▁in ▁addition ▁long ▁straight ▁hair s . ▁The ▁lim b ▁facing ▁the ▁edge ▁of ▁the ▁head ▁is ▁less ▁dens ely ▁fel ty ▁than ▁the ▁other ▁three . ▁From ▁the ▁centre ▁of ▁the ▁per ian th ▁emer ges ▁a ▁sl ender ▁tap ering , ▁style ▁of ▁about ▁ 5   cm ▁( 2   in ) ▁long , ▁slightly ▁arch ing ▁toward ▁the ▁centre ▁of ▁the ▁head . ▁The ▁thick ened ▁part ▁at ▁the ▁tip ▁of ▁the ▁style ▁called ▁pol len ▁present er ▁is ▁narrow ly ▁cone - sh aped ▁with ▁a ▁point y ▁tip , ▁about ▁ 2   mm ▁( 0 . 0 8   in ) ▁long ▁and ▁ 1   mm ▁wide ▁long , ▁with ▁the ▁gro ove ▁that ▁functions ▁as ▁the ▁st igma ▁across ▁the ▁very ▁tip . ▁ ▁D iffer ences ▁with ▁related ▁species ▁ ▁L . ▁innov ans ▁diff ers ▁from ▁its ▁close ▁relative ▁L . ▁c une iform e ▁because ▁it ▁has ▁very ▁broad ly ▁w edge - sh aped ▁to ▁invert ed ▁egg - sh aped ▁leaves , ▁ 3 – 5   cm ▁wide ,