Unicostate venation is called as
Palmate
Pinnate
Reticulate
Parallel
A dicotyledenous plant showing parallel venation is
Importance :
$(i)$ Rhizom
$(ii)$ Stipular tendril
You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example, which usually grows in shallow water or in marsh lands. What part of the plant is modified into a pitcher ? How does this modification help the plant for food even though it can photosynthesize like any other green plant ?
In a plant, the peduncle is elongated and it bears pedicillate flowers. The older flowers lie towards the base and the younger ones near the apex. The growth of the peduncle continues and more flowers are added. The inflorescence is
How do the various leaf modifications help plants?