Anatomy of Flowering PlantsHard

Question

A ngular collenchyma occurs in

Options

A.Cucurbita
B.Tagetes
C.Althaea
D.Salvia

Solution

Depending upon the thickening, collenchyma is of three types - (a) Angular - thickenting at the angles, eg, stem of tomato, Datura, Tagetes (marigold), (b) Lamellar - thickening on tangential walls, eg, dtem of sunflower, (c) Lamellar - thickening on the walls bordering inter cellular spaces, eg, stem of Cucurbita.

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