Poaceae

Perianth segments 0–3, usually 2; flowers grouped into a characteristic spikelet (Fig. 48) Poaceae

Spikelets bisexual (rarely unisexual, and if so, the spikelets similar and in the same inflorescence)

Spikelets not as in Group 13

Inflorescence branched (Fig. 47k)

Hairs around the florets much shorter than the lemmas or absent

Spikelets falling whole, disarticulating below the glumes

Spikelets disarticulating above the glumes, usually the glumes remaining on the pedicel