In April or May, each mature stem bears a spike of flowers.

A single stem will bear 20 to 30 fruiting spikes.

The stem bears an inflorescence of up to about 30 small yellow flowers.

A stem bears an inflorescence made up of a single cluster of several flowers.

The small stem bears an inflorescence of 1 to 25 flowers.

In non-reduplicative forms, these indicate that the stem itself bears stress.

Each stem bears an inflorescence of up to six clustered flowers.

The stem bears whorls of lance-shaped, pointed leaves smaller than those at the base.

They are arranged in leafy racemes, and each stem may bear 4 to 54 flowers.

The stem bears a membranous, whitish ring on its upper portion.