Florida Plant ID
Glossary of Botanical Terms: A–D

A-DE-NO-RS-W

A

Alternate Leaf Arrangement: One leaf at a node. See Figure 1 .

Figure 1.

Annual: A plant which completes its life cycle in one season. In Florida, annuals are typically referred to as warm-season or cool-season.

Apical: At the tip, as in the end of a shoot or root.

B

Basal: Leaves that grow at the base of the stem.

Berry Type Fruit: A simple, pulpy fruit such as blueberry, grape or tomato. See Figure 2 .

 Figure 2.

Biennial: A plant that completes its life cycle in two growing seasons.

Bipinnate: Twice pinnate. See Figure 3.

 Figure 3.

Bloom: A waxy, white covering on leaves or fruit.

Bract: A more or less modified leaf situated near a flower. Ex: The brightly colored “petals” of a poinsettia are actually bracts.

Branchlets: Small branches growing from a larger branch.

Bud: Much-condensed, undeveloped shoot.

Bulb: A short, modified stem; the thickened leaves store reserved food.

Bulbous: Like a bulb; producing a bulb.

C

Catkins: A dense spike or raceme without petals having only male or female reproductive parts.

Caudex: The ligneous (woody) base of a perennial plant.

Columnar: Slender, upright form

Compound Leaf: A leaf composed of two or more leaflets.

Coniferous: Cone-bearing.

Cordate Leaf Shape: Heart-shaped. See Figure 4 .

 Figure 4.

Corm: A thickened, vertical, solid underground stem.

Cormels:  Small corms that arise from a larger corm.

Corolla: Collective name for petals.

Corymb Flower Arrangement: An inflorescence consisting of a central rachis bearing a number of branched pedicels; the lower ones much longer than the upper, resulting in a flat or more or less round-topped cluster. See Figure 5.

 Figure 5.

Crenate Leaf Margin: Blunt, rounded teeth. See Figure 6 .

 Figure 6.

Cyme Flower Arrangement: An inflorescence consisting of a central rachis bearing a number of pedicelled flowers. See Figure 7.

 Figure 7.

D

Deciduous: A plant which sheds its leaves during certain seasons of the year.

Dioecious: Male and female flowers are borne on different plants.

Drupe Fruit Type: A fruit with four major parts: a thin skin, a fleshy body, a hard stone, and an inner seed. Ex: Peach. See Figure 8.

 Figure 8.