Variable Varying in character from the type; particularly of seed-raised plants that vary in character from the parent.

Variegated Marked with various colours in an irregular pattern: particularly used for leaves patterned with white and yellow markings but not confined to these colours.

Variety 1) Botanically, a naturally occurring variant (varietas — var.) of a wild species, between the rank of subspecies and forma. 2) Also commonly but imprecisely used to describe any variant of a plant. (See also Cultivar.)

Vegetative growth Non-flowering, usually leafy growth.

Vegetative propagation The increase of plants by asexual methods normally resulting in genetically identical individuals.

Vermiculite A lightweight, mica-like mineral allowing good water retention and aeration when used in cutting compost and other potting media.

Vertebrate Animals that have a backbone and internal skeleton; animal groups that are classed as vertebrates include fish, birds, mammals and reptiles (see also Invertebrates).