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No thorns are modified branches or stems.
Spines are modified leaves.
http://books.Google.com/books?id=8tz2aB1-jb4C&pg=PA576&lpg=PA576&dq=thorns+modified+branches&source=bl&ots=PEwba46CoC&sig=GfdegyPWKFEmtskyuRonTh3yGG4&hl=en&sa=X&ei=80epUMHaKtO-0QHJqYDoCQ&ved=0CHwQ6AEwDQ#v=onepage&q=thorns%20modified%20branches&f=false
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Which desert plant has thorns but is without leaves?
The cacti have spines (not thorns) and do not have leaves. There are also some plants in Africa and Asia that are similar to cacti but have thorns instead of spines.
Do water lillies have thorns?
Yes, Victoria Cruziana have thorns on the underside of their leaves and on their stems.
Its stem has thorns that keep predators from eating its flowers?
The desert cactus
What is the protective structure bougainvillea?
the stem
What will happen if desert plants have leaves in the place of thorns?
The vast majority of desert plants do have leaves and few have only spines.
What are thorns made of?
cactus thorns are made up of Leaves
Which desert plant has thorns but is without leaves?
The cacti have spines (not thorns) and do not have leaves. There are also some plants in Africa and Asia that are similar to cacti but have thorns instead of spines.
What is the function of leaves on a cactus?
defence. the cacti leaves are the thorns...
What are 'thorns' and 'flowers'?
specialized leaves
Do water lillies have thorns?
Yes, Victoria Cruziana have thorns on the underside of their leaves and on their stems.
Are pine needle and thorns leaves?
Yes
What is a palm with round serrated leaves?
a desert plant with thorns but withouth leaves
Its stem has thorns that keep predators from eating its flowers?
The desert cactus
What is the protective structure bougainvillea?
the stem
What are some adaptations of the lilypad?
Wide, flat leaves, the thorns on the bottom of the leaves, the rims around the leaves and the short lifespan of the flower.
What is a shrub with thorns toothed leaves and brightly colored fragrant flowers?
rose
What will happen if desert plants have leaves in the place of thorns?
The vast majority of desert plants do have leaves and few have only spines.
