Sign up ×
Biology Stack Exchange is a question and answer site for biology researchers, academics, and students. It's 100% free, no registration required.

In general, plants photosynthesize through their leaves and, to a much lesser extent, through their stems. Cacti, however, have no visible leaves, but instead spines. In what part of the cactus does the photosynthesis take place?

share|improve this question
Since photosynthesis is correlated with chlorophyll, I'm guessing the green part. – MCM Mar 14 '13 at 1:36

1 Answer 1

In wiki there is a good answer for your question

In plants photosynthesis takes place in chloroplasts. Chloroplasts may be in the cells of fruits, stems, but most of all in leaves. In some succulents (such as cacti), the main photosynthetic activity is associated with a stem.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.