etiolate

As adjectives the difference between petiolate and etiolate

is that petiolate is petiolated while etiolate is etiolated.

As a verb etiolate is

to make pale through lack of light, especially of a plant.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb etiolate is

to make pale through lack of light, especially of a plant.

As an adjective etiolate is

etiolated.