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 [...]
The upcoming discussion will update you about the difference between shoot apical meristem and floral meristem. Difference # Shoot Apical Meristem: 1. It forms vegetative organs of a plant. 2. It has indefinite growth. 3. It promotes longitudinal growth of the axis. 4. It has unlimited life. It produces vegetative organs continuously. 5. It is not compressed. The vegetative organs [...]
This article will guide you about how to determine the plastochron index. Plastochron is defined as the time interval between the formation of one leaf primordium and the initiation of next leaf primordium. Plastochron is a developmental measure and is expressed as 'plastochron index'. The index indicates the developmental status of each leaf and relates the observation to time. The [...]