Edema (plants)

Edema, (also spelled oedema, and named from the analogous disorder in humans and other animals), is a disorder in plants caused by the build-up of water in plant tissues faster than the leaves can transpire. The excess fluid bursts the cell membranes, causing the appearance of growths, particularly on the underside of leaves.

Edema symptoms in plants

Edema showing indentations on the top side of Anthurium regale leaf

Edema on underside of Annona macroprophyllata leaf

A case of edema occurring on a water spinach (ipomoea aquatica) seedling showing corky growths and white crusty eruptions

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