Secund Arranged only on one side of the axis. 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.
Browse by Subject Category
Explore terms organized by botanical structure, morphology, and arboricultural concepts.
Septate Partitioned. This feature helps describe plant form, function, or identification.
Septum The line of partition between the cells (locules) of a fruit.
Serrate With a saw-toothed edge. Botanists use this feature to describe leaf shape, surface, edge, or arrangement, which helps with plant identification.
Sessile Attached without a stalk. This feature helps describe plant form, function, or identification.
Simple Not divided into leaflets. Botanists use this feature to describe leaf shape, surface, edge, or arrangement, which helps with plant identification.
Sinuate With a strongly wavy margin. In mushrooms, referring to a type of gill attachment, specifically gills that are notched at their point of attachment to the stipe (stem)
Sinus The space between two lobes, segments, or divisions. This feature helps describe plant form, function, or identification.
Solitary Occurring alone, not paired or clustered. This feature helps describe plant form, function, or identification.
Sordid Dull, dingy or muddy in color. This feature helps describe plant form, function, or identification.