Morphological Adaptations in Desert Plants?

📌 CONCEPT: Morphological adaptations in desert plants, such as cacti, enable them to conserve water and withstand extreme temperatures.

📐 RULE / FORMULA: The key morphological adaptations in desert plants involve the modification of stem and root structures to store water and reduce transpiration.

💡 WORKED EXAMPLE: In cacti, the stems are thick and fleshy, allowing them to store large amounts of water, while the roots are shallow and wide to absorb moisture from the surface. For instance, the prickly pear cactus stores water in its stem, allowing it to survive for long periods without rain. Similarly, the roots of the cactus are shallow and wide, enabling it to absorb moisture from the surface.

⚠️ COMMON MISTAKE: Students often mistake the modifications in desert plants as being solely for shade provision, when in fact, the primary adaptations are for water storage and reduction of transpiration.