Blackjack is a strain of marijuana that was developed in England. The strain is currently being extensively inbred to create a stable variety that produces consistent, uniform growth and quality from each seed. It has been developed from two of the worlds most infamous strains and it certainly packs a punch. Although the product is very indica bias, and can put you in a state of perpetual 'couchlock' when chain smoked, it has a euphoric effect due to one of its parents being the perfect blend of sativa and indica (75% sativa dominant). The outcome is an 85%-15% indica dominant strain which produces a deluge of glistening trychomes whilst flowering. A Cannabis sativa plant The drug cannabis, also called marijuana, is produced from parts of the cannabis plant, primarily the cured flowers and gathered trichomes of the female plant. ... Motto: (French for God and my right) Anthem: Multiple unofficial anthems Capital London Largest city London Official language(s) English (de facto) Unification    - by Athelstan AD 927  Area    - Total 130,395 km² (1st in UK)   50,346 sq mi  Population    - 2005 est. ...