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Q.
What is the dividing of the lamina up to halfway in a multicostate veined leaf called?
NTA AbhyasNTA Abhyas 2020
Solution:
There are two types of leaves one is simple in which incisions don't touch midrib when it lamina is incised, it has an apical bud, flowers, and another one is compound in which lamina reach to the midrib and divided it into leaf or leaflets. Bud is seen in the axil of phyllode or leaf in both types but not in the axil of leaflets in the compound type of leaves.
The compound is subdivided into two types one is pinnately or unicostate venation in which at the same axis, leaflets are present, rachis depicts the midrib as in neem. They are also subdivided like pinnatipartite, pinnatifid, pinnatisect. In pinnatipartite, the incision is more than halfway towards the midrib in a leaf and another one is palmately in which they are attached at the common point as in silk cotton, at the tip of phyllode. They are also subdivided such as palmatifid, palmatisect, palmatipartite. In palmatifid, they divide of lamina up to halfway in a multicostate leaf.