Leaves are composed of three main parts: the blade, petiole, and stipules. The leaf blade is the primary site of photosynthesis and respiration, containing epidermis, mesophyll, and veins. The petiole connects the blade to the stem, serving as a conduit for water and nutrients. Stipules, located at the junction of the petiole and stem, can have diverse functions, such as photosynthesis or forming thorns. This article provides a detailed overview of the structure and roles of these key leaf components, highlighting their importance in plant growth and development.

Jasmine is a white, climbing shrub of the Oleaceae family that can grow up to 3 meters tall. It blooms from May to August and bears fruit from July to September. Jasmine prefers a moist, well-ventilated environment with slightly acidic soil. It requires regular fertilization, especially during the flowering period from June to September. Jasmine is prone to pests and diseases, such as leaf rollers, red spiders, white rot, anthracnose, and leaf spot, which should be addressed with appropriate control measures. Jasmine is a popular scented tea and is grown in many areas.

Succulents thrive in ample sunlight, warm temperatures, and proper watering. They should be exposed to enough sunlight, but protected from intense summer heat to prevent sunburn. Succulents go dormant in extreme temperatures, requiring adjustments to watering and maintenance. The best watering approach is "dry and water thoroughly" in spring and autumn, with less water in summer and winter. Fertilization is minimal, with a small amount of fertilizer mixed into the soil when repotting in spring. Proper ventilation is crucial to prevent diseases and pests. Overall, succulents require a delicate balance of environmental conditions for optimal growth and health.