Aloe larger, such as 50-foot-tall bainesii Aloe has '' a grotesque thickened trunk and tapering branches that make it look like a character from a story Dr. Seuss, '' according to '' The Book of Outdoor Gardening. ''
Flowers
Many varieties of aloe have warm red-orange, yellow or white flowers that regenerate throughout life of the plant. Aloe marlothii, for example, has a lateral inclination flowers like red-hot flames blowing in the wind. It flowers all year. Few agaves have flowers, but most of them only once blooming lifetime of the plant. Queen Victoria agave is a flowering agave variety. It blooms only after the plant has lived a decade or more and only in summer.
Leaves
The leaves of aloe and agave may look similar, but are actually quite different. The agave is a fibrous sheet, a vascular system of fibers running the entire length of each sheet. These fibers are used to make rope and cord. The leaves often last the entire life of agave. Aloe, on the other hand, has leaves with a gelatinous inside. Fiber is not present. Another difference is the margin of the sheet. Agave has a distinct, sharp teeth on the margins, with a line. Aloe has what appears to be the teeth, but in reality is only elongation of the sheet, with no dividing line.
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