Which of the following is phylogenetically most advanced of the dicotyledonous families
Acanthaceae
Scrophulariaceae
Compositae
Umbelliferae
Keel is the characteristic feature of flower of
The standard petal of a papilionaceous corolla is also called
Give economic importance of solanaceae family.
Butterfly shaped corolla, monocarpellary ovary and zygomorphic flowers are found in family