PLANTS SHARP THORNS
WHY DO PLANTS HAVE SHARP THORNS? ❑ To protect plants from would be predators. Any herbivore with average intelligence will not likely try to nibble at a species such as barberry more than once. ❑ The necessity for modifying leaves into thorns in these plants help in reducing water loss through transpiration due to reduced surface area.
THESE ARE SOME OF THE PLANTS THAT HAVE SHARP THORNS. ROSE BOUGAINVILLEA
In deserts, there is scarcity of water. So, in order to adapt to water scarce areas, desert plants have their leaves reduced to spines. Spines reduce water loss by transpiration significantly by reducing the surface area of leaves. Thus, they help in conserving water.
The honey locust (Gleditsia triacanthos), also known as the thorny locust or thorny honeylocust, is a deciduous tree in the family Fabaceae, native to central North America where it is mostly found in the moist soil of river valleys.
ARE THERE THORNS THAT ARE POISONOUS? Datura stramonium, known by the common names thorn apple, jimsonweed (jimson weed), devil's snare, or devil's trumpet, is a poisonous flowering plant
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