L72 subulate Narrow, long and tapering gradually to a fine point. Implies a long tapering tip without abrupt changes in width.

L73 aristate Having a stiff, bristle-like tip.

L74 acuminate Broad and then tapering gradually to a point.

L75 mucronate Having a short, sharp tip

L76 apiculate Having a short, flexible tip.

L77 acute Having a distinct point, but not elongated.

L78 obtuse Rounded or blunt at the apex.

L79 retuse Having a blunt and slightly notched apex.

L80 emarginate Having a broad, shallow notch at the apex.

L81 truncate Having an abrupt transverse end, as if cut off.