Question

Which of the following 'suffixes' used for units of classification in plants indicates a taxonomic category of 'family'?

(a) -Ales

(b) -Onae

(c) -Aceae

(d) -Ae

Answer 1

The name of a family, a taxon, in plants always end with suffixes aceae, e.g., Solanaceae, Convolvulaceae and Poaceae.

Ales suffix is used for taxon 'order' .Eg : Polymoniales.

Ae suffix is used for taxon 'class' .Eg : Crustaceae and onae suffixes are not used at all in any of the taxons.