All plants have leaves because plants prepare their food with the help of leaves.Sometimes the leaves may get modified to flowers.(flowers are modified shoot).It is absolutely impossible to have plants without leaves.If we consider our evolution f... read more
Algae lack true tissues and are grouped with protists. They may have the same pigment composition, but are still not plants. Most cacti do have leaves. Some have very tiny leaves. Some have ephemeral leaves that are larger, but fall off. And, cactus spines are modified leaves. However, as some people have pointed out, mosses do not have leaves. read more
for iPhone, iPad, Android, Facebook and other devices by Apprope, the Answer is Cactus. read more
Phytophthora root rot is a disease that lives in the soil, preventing azalea leaf growth and causing older leaves to drop off. There is no cure and the shrub eventually dies. You can confirm the diagnosis by checking the roots. They turn reddish-brown and die off when infected. You may only find roots in the top few inches of soil. read more