The following points highlight the five main types of petioles found in plants. The types are: 1. Petiole of Cucurbita sp. 2. Petiole of Helianthus Annuus 3. Petiole of Piper Betle 4. Petiole of Nymphaea Stellata 5. Petiole of Eichhornia sp. Type # 1. Petiole of Cucurbita sp. (Family: Cucurbitaceae): Transverse section of the petiole is wavy in outline and [...]
Here is a list of thirteen leaf found in plants. 1. Leaf of Mangifera Indica (Family: Anacardiaceae): A thin transverse section of leaf reveals the following internal tissue organization (Fig. 31.45). Epidermis: It occurs on adaxial and abaxial surface of leaf and accordingly termed as upper and lower epidermis. Both epidermal layers are uniseriate and composed of tabular cells. The [...]
In this article we will study about the secondary structures of plant with the help of suitable diagrams. A. Stem of Aristo-lochia Sp. (Fig. 7.1): In the primary condition the stem reveals the features of a typical dicotyledonous stem, i.e., presence of uniseriate epidermis, well differentiated cortex, ring arrangement of vascular bundles which are distinctly collateral and open type, [...]