- a simple indeterminate inflorescence in which the flowers are borne on short pedicels lying along a common axis, as in the lily of the valley.
- a compound inflorescence in which the short pedicels with single flowers of the simple raceme are replaced by racemes.
- an inflorescence in which the flowers are borne along the main stem, with the oldest flowers at the base. It can be simple, as in the foxglove, or compound
