In this article we will discuss about Stem of a Plant:- 1. Stem Surface 2. Forms of Stem 3. Modifications of Underground Stem 4. Some Other Stem Modifications. Stem Surface: 1. Glabrous: Smooth. 2. Glaucous: Shining and smooth. 3. Pubescent: Covered with fine silky hair. 4. Tomentose: Covered with coarse wooly hair. 5. Prickly or spinose: Covered with prickles or [...]
The following points highlight the two main exercises to study various types of branching in stems. Exercise 1: To study various types of branching in stems. Requirements: Plants or models showing various types of branching. Branching in Stems: There are two main types of branching in stems: (i) lateral branching, and (ii) dichotomous branching. (A) Lateral Branching: In this type, [...]
The following points highlight the top four types of monocot and dicot stems. The types are: 1. Normal Monocot Stems 2. Monocot Stem with Secondary Thickenings 3. Normal Dicotyledonous Stems 4. Anamalous Dicotyledonous Stems. Monocot and Dicot Stems: Type # 1. Normal Monocot Stems: I. Zea mays-Stem: T.S. of the material shows following tissues from outside within: It is circular [...]