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A deficiency in plant chlorophyll, resulting in pale green, yellow or yellow/white foliage.

Having soft, greyish white hairs, usually on foliage.

Striped pale or white banding on a dark background, ie, Miscanthus zebrinus.

A microscopic worm of the family Nematoda, that resembles white cotton thread. May enter plant tissue and cause rotting.

Pertaining to iris flowers, which have a base colour of white or yellow, with stippled or feathered edges of a contrasting colours.

Refers to foliage having patches of different colours, usually as a result of the chlorophyll content. Common combinations are green with cream, white or silver, although some plants produce foliage that mix green with reds and yellows.