an unspecialised leaf-sheath a spatheole (modified spathe) sheathless (inconspicuously sheathed) blades
inflorescence: the group or arrangement in which
spikelets are borne on a grass.
sheath: the lower portion of a grass leaf.
blade: the part of the leaf apical to the sheath,
usually expanded or petal.
inflorescence: the group or arrangement in which
spikelets are borne on a grass.
spatheole: a small spathe, a small bract ensheathing
an inflorescence, or its peduncle.
spathe: a large bract ensheathing an inflorescence.
rudimentary: poorly developed and not functional.