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The xylem in the leaves of plants are shaped like a balloon. It provides structural support and helps in the conduction of water and nutrients in plants.
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An alocasia is any of a group of tropical Asian plants of the genus Alocasia, with heart-shaped or arrowhead-shaped leaves.
What we call "lettuce" is the tender leaves of several different plants
Different plants have different shapes of leaves. Some have jagged edges.
AnswerThere are lots of reasons for leaves varying in shape and size, listed are just a few.Water Retension: Plants living in dry condition are likely to have leaves with a small surface area that are often needle shaped in order to retain water. 90% of the water absorbed by a plant is lost through evaporation through the leaves.Catching Food: Some plants have leaves shaped like slides, these are also slipperl and insects unfortunate enough to land on them are likely to slip into a vat of water and digestive juices.Protection: Some plants have needle shaped leaves for protection from predators, a good example are the coniferous trees in the arctic. Their leaves are shaped like spines to deter hungry animals. There's not much sunlight or rain in the arctic so every leaf is precious.Getting rid of excess water: Plants breath through tiny spores in their leaves, if these were to become clogged with water, the plant would effectively drown. Most leaves are shaped especially to allow water to run off them, with the veins in the leaves acting as gutters.
No, they are completely different plants.
Survival characteristics that have evolved through natural selection in plants includes things such as broad leaves, cone shaped trees, and waxy leaves.
They do not have roots, stems, or leaves.
Some plants have single and clustered leaves, and some have clustered or compound leaves.Maple and Oak trees have simple leaves. Some such as horse-chestnut and locust trees, have leaves that grow in clusters. These are compound leaves. Others plants have leaves shaped like needles or spines.
Leaves have different colors because of their pigmentation. For example, chlorophyll is the pigment that gives leaves the color of green.
The philodendron family has heart shaped leaves.