An original model or form; used metaphorically in evolutionary biology.

A hypothetical ancestral type of limb fin; relevant to vertebrate evolution, not botany.

The body cavity in coelomates derived from the embryonic archenteron; not relevant to plants.

Containing or composed of clay; often used to describe soil or sediment types.

A basic amino acid essential for protein synthesis and metabolic processes.

A genus of bees, including the honeybee (Apis mellifera).

A temporary cessation of breathing; a medical term not related to plants.

Describes a flower in which the carpels are free and not fused together.

A type of gland that releases part of its cytoplasm along with its secretions; found in mammals, not plants.

The protein part of an enzyme, without its cofactor; inactive until combined with the cofactor.