Panicoideae

The ligule has a fringe of hairs. The inflorescence is branched around a common axis. The spikelets are all alike with two bisexual florets that are joined below the glumes (the outer floral envelopes). The lower glume is shorter than the spikelet. ==Systematics and taxonomy==

Within the PACMAD clade of grasses, the Panicoideae are sister to a clade made of the four subfamilies Arundinoideae, Chloridoideae, Danthonioideae, and Micrairoideae. A modern phylogenetic classification divides the Panicoideae in twelve tribes corresponding to monophyletic clades; two genera, Chandrasekharania and Jansenella, are unplaced (incertae sedis) but probably belong to tribe Tristachyideae. The three largest tribes, Paniceae, Paspaleae, and Andropogoneae, together with the small Arundinelleae, form the core of the subfamily. The Gynerieae were formerly placed in Arundinoideae, and the basal lineage, the "centothecoid clade" with seven tribes, was formerly seen as separate subfamily, Centothecoideae. Phylogeny based on chloroplast DNA analyses, showing relationships of tribes within the subfamily (dashed lines indicate uncertain positions; C4 clades flagged): }} ==Gallery==

File:Chasmanthium_latifolium_Boyle_Park.jpg|alt=Grass with large, flat spikelets|Woodoats (Chasmanthium latifolium, Chasmanthieae) File:Flickr_-_João_de_Deus_Medeiros_-_Loudetiopsis_chrysothrix.jpg|alt=Dry grass spikelets|Spikelets of Loudetiopsis chrysothrix (Tristachyideae) File:Gynerium_sagittatum_3.jpg|alt=Tall grass plants resembling cane|Gynerium sagittatum File:Pennisetum villosum 002.jpg|alt=A feathery inflorescence of dense spikelets|Feathertop grass (Pennisetum villosum, Paniceae) File:Corncobs.jpg|alt=Maize cobs in different colours|Cultivated maize or corn (Zea mays, Andropogoneae) == See also ==