cactus
defence. the cacti leaves are the thorns...
the thorns is a structural adaption of rose,cactus,bamboo
It's the thorns on cactus plants and roses that make them both difficult to hold. On both plants, the thorns serve to defend and protect the stem and the flower. But on the cactus, the thorn is a modified leaf. On a rose, the stem has both thorns and regular leaves.
no it is a mammle those thorns are really hairs
They vary in size from species to species and my be the size of nails or like small hairs.
The thorns on cacti are like seeds, if you want to reproduce a cactus you will probably need a green house, if you don't have a greenhouse you can take a plastic bag and poke small holes in it and drape it over the cactus. Cactus thorns are sharp and prickly they are a natural defence system.
The desert cactus
Cactus thorns are not safe to eat, as they are sharp and can cause injury to the mouth, throat, and digestive tract. Some cacti, like nopales from the prickly pear, have edible pads and fruit that can be consumed, but the thorns must be carefully removed before eating. It's important to differentiate between the edible parts of the cactus and the thorns. Always ensure that any cactus you intend to eat is properly prepared.
The horticulture students were amazed at the variety of cacti present in the Arizona desert.
The desert cactus
PRICKLY pear cactus