Reproduction in Lower and Higher Plants — BIOLOGY STD 12 Science — Question

Floral adaptations in Salvia are as follows : (Lever Mechanism)
→ Pollination in Salvia is entomophilous.
→ The flower in Salvia is bisexual & protandrous.
→ There are two stamens in the flower having long bifurcated connective.
→ The upper branch of the connective bears a fertile anther lobe while the lower branch of the connective bears a sterile anther lobe.
→ When an insect enters the Salvia flower, it pushes the lower sterile lobe owing to which the upper fertile lobe bends & strikes the back of the insect & dust its pollen grains.
→ When the same insect visits another flower, the pollen grains are picked up by the receptive stigma & the pollination is effected.