Florida Plant ID
Glossary of Botanical Terms: S-W

A-DE-NO-RS-W

S

Samara Fruit Type: Winged fruit; dry, indehiscent. See Figure 26.

 Figure 26.

Scale-like Leaf Shape: Small, short, usually sharp-pointed, broadened at the base. See Figure 27.

 Figure 27.

Segments: In palms, leaf is deeply lobed but not divided.

Sepal: One of the parts of the outer whorl of a flower, usually green in color.

Serrate Leaf Margin: Sharp teeth pointing toward the apex. See Figure 28.

 Figure 28.

Simple Leaf: An undivided leaf; without leaflets. See Figure 29.

 Figure 29.

Solitary: single, one flower.

Spadix: A flower spike with a thick and fleshy axis, usually densely flowered with imperfect flowers. See Figure 30.

 Figure 30.

Spathe: A large bract sheathing or enclosing a spadix. See Figure 30.

Spike Flower Arrangement: An inflorescence consisting of a central rachis bearing a number of flowers directly attached to the flower stem (i.e., no pedicels). See Figure 31.

 Figure 31.

Spore: A small reproductive structure capable of developing into a new organism.

Spur: In fruit, a short shoot that bears the fruit; in flowers, a tubular projection of the corolla.

Stamen: The male, pollen-bearing organ of a flower made up of a filament and anther. See Figure 32.

 Figure 32.

Stolon: Trailing stem above ground, rooting at the nodes.

Stone: The woody portion of the protective enclosure surrounding a seed.

Stone cell: Hard cells with thick walls that provide support to the plant and give the flesh a gritty texture.

Subopposite:  nearly alternate but with close spacing.

Succulent: Fleshy and full of juice.

Suture:  In fruit, the line where the dry fruit splits open.

T

Tendril: A modified leaf or stem, slender and coiling, used for grasping or attaching to a support.

Trifoliate: A compound leaf having three leaflets.

Tuber: A thickened, short, usually subterranean stem having numerous buds called eyes.

Tunicate: Having enwrapping coats or layers, like an onion.

U

Umbel Flower Arrangement: An inflorescence consisting of several pedicelled flowers with a common point of attachment. See Figure 33.

 Figure 33.

Undulate Leaf Margin: Wavy leaf edge (up and down in a vertical plane). See Figure 34.

 Figure 34.

W

Whorled Leaf Arrangement: Three or more leaves at a node. See Figure 35.

 Figure 35.