Question

Cleistogamy is Advantageous or disadvantageous to the plants ? why?

Answer 1

Cleistogamy flowers do not open at all, so the advantage of these flowers is that there survival gets higher under unfavorable conditions, but the disadvantage is the low self pollination. So the chances of variation decreases under this.

Answer 2

Cleistogamy flowers do not open at all, so the advantage of these flowers is that there survival gets higher under unfavorable conditions, but thedisadvantage is the low self pollination. So the chances of variation decreases under this which confer some survival advantages on the offspring , under stressful environmental conditions and also contributes to evolution.