▁a sex ually ▁by ▁cutting ▁off ▁the ▁run ners . ▁ ▁Two ▁sub species ▁of ▁F . ▁ves ca ▁were ▁identified : ▁F . ▁s yl vest ris ▁al ba ▁and ▁F . ▁s yl vest ris ▁sem per fl or ens . ▁The ▁introduction ▁of ▁F . ▁vir gin iana ▁from ▁Eastern ▁North ▁America ▁to ▁Europe ▁in ▁the ▁ 1 7 th ▁century ▁is ▁an ▁important ▁part ▁of ▁history ▁because ▁it ▁is ▁one ▁of ▁the ▁two ▁species ▁that ▁give ▁rise ▁to ▁the ▁modern ▁st raw berry . ▁The ▁new ▁species ▁gradually ▁spread ▁through ▁the ▁continent ▁and ▁did ▁not ▁become ▁completely ▁appreciated ▁until ▁the ▁end ▁of ▁the ▁ 1 8 th ▁century . ▁When ▁a ▁French ▁exc urs ion ▁journey ed ▁to ▁Chile ▁in ▁ 1 7 1 2 ▁introduced ▁a ▁st raw berry ▁plant ▁with ▁female ▁flowers ▁that ▁resulted ▁in ▁the ▁common ▁st raw berry ▁that ▁we ▁have ▁today . ▁ ▁The ▁Map uche ▁and ▁Hu ill iche ▁Indians ▁of ▁Chile ▁cultiv ated ▁the ▁female ▁st raw berry ▁species ▁until ▁ 1 5 5 1 , ▁when ▁the ▁Spanish ▁came ▁to ▁conquer ▁the ▁land . ▁In ▁ 1 7 6 5 , ▁a ▁European ▁expl orer ▁recorded ▁the ▁cultiv ation ▁of ▁F . ▁ch ilo ensis , ▁the ▁Chile an ▁st raw berry . ▁At ▁first ▁introduction ▁to ▁Europe , ▁the ▁plants ▁grew ▁vig or ously ▁but ▁produced ▁no ▁fruit . ▁ ▁French ▁garden ers ▁in ▁Br est ▁and ▁Cher bourg ▁around ▁the ▁mid ▁ 1 8 th ▁century ▁first ▁noticed ▁that