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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
What else can I help you with?
Do water lillies have thorns?
Yes, Victoria Cruziana have thorns on the underside of their leaves and on their stems.
Do Aloes have black thorns?
aloes normally have short, hard (sometimes black) spines on the leaves and sometimes the stems - although they cannot really be likened to black thorns
Its stem has thorns that keep predators from eating its flowers?
The desert cactus
What is the protective structure bougainvillea?
the stem
What is the purpose of thorns on aloe vera leaves?
Aloe vera actually has spines, not true thorns. They are to protect the plant from damage from animals that may want to eat them
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
Do hibiscus have thorns?
Most varieties of hibiscus do not have thorns. However, gardeners have reported finding thorns on certain kinds of hibiscus bushes.
Do Aloes have black thorns?
aloes normally have short, hard (sometimes black) spines on the leaves and sometimes the stems - although they cannot really be likened to black thorns
Its stem has thorns that keep predators from eating its flowers?
The desert cactus
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 the purpose of thorns on aloe vera leaves?
Aloe vera actually has spines, not true thorns. They are to protect the plant from damage from animals that may want to eat them
What is the protective structure bougainvillea?
the stem
Which desert plant has thorns but is without leaves?
The ocotillo plant is a common desert plant found in the southwestern United States and Mexico that has thorns but is without leaves. It is known for its long, vertical stems covered in sharp spines, which help reduce water loss and protect the plant from herbivores. The plant produces leaves only after a rainfall to maximize its photosynthetic potential.
