What is the stomatal density on the upper and lower epidermis of hibiscus and colacasia leaves?

hibiscus is mesophyte and colacasia is monocot

We collected the leaves a month after we took the API index. It was at a rural area, near a beach. It was a beach resort actually. We collected the leaves a month later because of transport problems to the area. We would like to know if the stomata of...

Do leaves have a waxy cuticle on both the upper and lower epidermis or is it just on the upper epidermis? Thanks in advance for any answers :)

We make tea with the Jamaica leaves. What are the used leaves useful for? Someone suggested we could make tacos with them. Wikipedia: Hibiscus

My hibiscus leaves have little tiny white spots all over them, and some of them have black crud of some type on them, too. There are no white spots underneathe the leaves, which would ...show more

I left my hibiscus out in the cold while I was away for three weeks and the leaves have all died. Is it too late to bring them back if they are brought back inside? It looks pretty bad.

help. my hibiscus is getting white fuzz on it's leaves that is killing it. the fuzz is on the underside. what is it and how do i stop it? thanks! :)

I have several house plants that thrive but now this hibiscus plant has the leaves turning yellow. Is there something that I can do or stop doing?

I have 9 hibiscus plants that are hardy. Last year one of the plants leaves started curling. Now the one next to it and the one next to that one have started to curl. What is wrong?