Obclavate Club shaped, with the attachment at the broad end. This feature helps describe plant form, function, or identification.
Arboretum Botanical Glossary
A botanical reference guide of morphological terms, plant structures, propagation techniques, and campus flora definitions.
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Explore terms organized by botanical structure, morphology, and arboricultural concepts.
See Obconic
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.
often on very poor soil A type of small green plant, sometimes only 1/16 (2 mm.) and mostly less than 2" (5 cm.) high. Mosses have tiny stems and leaves and reproduce by means of spores instead of seeds. They grow in moist locations
Opposite Having leaves in pairs, each pair emerging from a single node
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