How many leaflets does a clover have on a single leaf?
three
four
five
six
Four-leaf clovers are considered lucky because they are rare. The Latin name for clover is Trifolium dubium, "Trifolium" meaning literally three-leaves.
reach: rather globalbotanyleavesluck
Botany quiz
  You will play as 
Answers by country
three
four
five
six
answers
Switzerland24
Poland9412
Germany257
Canada18
Republic of Ireland13
Australia23
Austria96
the United Kingdom92
the United States337
the Netherlands10
Greece13
Unknown16
India231
Pakistan21
the Philippines13