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Does a cactus have leaves that reduce to needle-like structures?
Yes, cacti have evolved to eliminate leaves and replace them with spines.
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.
Which kind of plant reduces its leaves completely to needles?
Cacti have needles (spines) instead of leaves.
Are the spines of cacti and the traps of the Venus fly trap modified leaves?
Yes
What weed has spines on its leaves?
Cacti have spines that evolved from leaves.
Does a cactus have leaves that reduce to needle-like structures?
Yes, cacti have evolved to eliminate leaves and replace them with spines.
What are the leaves called on a saguaro cactus?
Spines have replaced leaves on cacti.
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 meaning of leaves reduced to spines?
Cacti have spines. Evolutionary theory is that the spines were originally leaves, but which reduced in size and form to carry out a new function, as spines, to protect the plant from predators. According to the same theory the stem of the plant became the gas exchange and the 'chlorophyll-containing' 'photosynthesis' part of the plant, thus replacing the functions formerly carried out by and through the leaves.
What plants have spines?
No not true. Spines on plants are sharp needle like that protect the plants from any harm. I think cacti have spines
Does a cactus have leaves?
No. Some may be considered as leaves but not really. Christmas cactus for instance grows in thin segmented stalks reminiscent of leaves. Cactus flowers have petal that are leafy and green like leaves but not really leaves. barrel cactus and saquaros obviously have no leafy protrusions beyond their flowers.
Can a cactus leaf prevent water loss?
Cacti do not have leaves. The leaves have been replaced by spines.
Which kind of plant reduces its leaves completely to needles?
Cacti have needles (spines) instead of leaves.
Why desert plants have scale or spine like leaves?
Scale like leaves
Are the spines of cacti and the traps of the Venus fly trap modified leaves?
Yes
How many leaves does a cactus grow every year?
None! Cacti grow spines instead of leaves.
What are the plants that have scales or spines instead of leaves that are found in dry areas?
Cacti :D
