Question

what is cleistogamous and chasmogamous flower

Answer 1

Once chasmogamous flowers have reached maturity, they unfurl and their stamens and/or style are made available for pollination. ... In contrast to chasmogamous flowers, are minute, bud-like cleistogamous ("closed marriage") flowers, and pollination of cleistogamous flowers is cleistogamy.

Answer 2

cleistogamous flower is the closed flower i.e.the petals are closed and rest of flower part is absent ex--oxalis

chasmogamous flower are open flowers i.e.petals are open and rest flower part are visible.ex-- mirabilis

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