| Appearing torn on the margin; irregularly cleft. |
| Shape or outline like the head of a spear; pointed at both ends and widest below the middle. |
| The lateral organ of a grass culm, typically consisting of a sheath, blade, ligule, and auricles. |
| The expanded and flattened portion of a leaf. |
| The tubular basal portion of a leaf that encloses the stem, as in grasses and sedges. |
| An odd-veined bract of a spikelet occurring above the glumes; the abaxial bract of the floret that may be awned or awnless. |
| The adaxial appendage, membrane, ciliate membrane, or ring of hairs on the inside of a leaf at the junction of sheath and blade. |
| Long and narrow with parallel margins. |
| A projecting portion of an organ in which the divisions are less than half the distance to the base or midrib; usually rounded at apex. |
| Two or three membranous parts at the base of the grass flower; thought to be reduced perianth. |
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