none
A dicot has 5 petals
the gumamela or hibiscus has 5 petals in the case of a "normal" plant. there are some double cultivars which have many more
There are indefinite number of petals in rose flower due to conversion of stamens in to petals
Generally five
There are many plants in which sepals and petals are simlar for example is Chenopodium album (Goose feet Plant).
The bottlebrush, of the genus Callistemon, is a native plant of Australia, found in many parts of coastal and inland Australia.To see photos of the bottlebrush, see the related link.
The ilang-ilang flower typically has between five to six petals. However, this can vary slightly depending on the specific species of plant or variety of ilang-ilang.
42 petals
A pyrethrum flower typically has 13 petals.
100 petals
No fixed number, can be as few as 4. As a dicotyledonous plant the petals will always be in multiples of 4 or 5 (i.e. 4,8,12,16,20.. etc or 5, 10, 15, 20, 25 .. etc)
It may have as many as 40 petals.