Nerve A slender rib or vein, especially if unbranched. This feature helps describe plant form, function, or identification.
Glossary: General botanical term
Purdue Arboretum botanical terminology reference and learning database.
General botanical term
Obclavate Club shaped, with the attachment at the broad end. This feature helps describe plant form, function, or identification.
Oblanceolate Shaped like a long point, with the narrow end at the point of attachment. The inverse of lanceolate.
Oblique Slanting. This feature helps describe plant form, function, or identification.
Obtuse Blunt. This feature helps describe plant form, function, or identification.
Orbicular Approximately circular in outline. This feature helps describe plant form, function, or identification.
Ovate Having an oval or egg-shaped outline, wider at the point of attachment
Pallid Pale, light in color. This feature helps describe plant form, function, or identification.
Papillate Having short rounded bumps, called papillae (singular: papilla). This feature helps describe plant form, function, or identification. Did you know? Lotus leaves have microscopic surface bumps that help water bead and roll away, inspiring self-cleaning materials.
Peltate Shaped like a disc, with the point of attachment near the center.