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What are the characteristics of cactus stem?
Cactus stems are often ribbed or fluted, which allows them to expand and contract easily for quick water absorption after rain, followed by long drought periods. Like other succulent plants, most cacti employ a special mechanism called “crassulacean acid metabolism” (CAM) as part of photosynthesis.
What does cactus look like?
Cacti are of different types, and they come in diverse sizes, colors, and shapes. The majority are in green color, while some may be brown-green or bluish. Some are flat like a pancake, while others are round in shape. You’ll find several shaped like starfish or snakes.
How would you describe a cactus?
The word cactus describes a type of desert plant that has thick, leafless stems covered in prickly spines or sharp spikes. Cactus plants are able to thrive in dry climates because they store water in their stems. Some cacti are rich in vitamins, calcium and fibre.
What characteristics of a cactus plant helps it to survive in the desert?
A cactus has special adaptations in its roots, leaves as well as stems that enable it to thrive in desert environments. These adaptations include – spines, shallow roots, deep-layer stomata, thick and expandable stem, waxy skin and a short growing season.
Why are cacti green?
A cactus is green for the same reason most other plants are primarily green: the color is a result of chloroplasts within the cells of the plant. …
What is special about cactus?
They are stem succulents By virtue of being part of the succulent family, cacti are known to store water within its system. Unlike other succulents that store its water in the leaves, cacti do not have leaves and will let its stems take up this role. The huge, thick stem help function as a water storage ‘tank’.
How are cacti adapted to their environment?
Cacti are well adapted for survival in the desert. They have: Stems that can store water. Widespread or very deep root systems that can collect water from a large area or from very deep underground.
What is physical appearance of plant?
Texture, form, size, and color are the physical characteristics of plants that provide interest, variety, and aesthetic appeal to a landscape. Physical characteristics give each plant a distinct look and personality.