University of Florida

Plant Identification Learning Module
Glossary of Botanical Terms: E–N


A–D

E–N

O–R

S–W

 

E

Elliptic Leaf Shape: Broadest at the middle, the ends nearly equal. See Figure 9.
elliptic Figure 9.

 

Entire Leaf Margin: Uncut, without indentations. See Figure 10.
entire Figure 10.

 

Evergreen: Bearing leaves throughout the year.

 

Exfoliating: Peeling off in thin layers.

 

F

Floret: A small flower, or an individual flower in a cluster.

 

Funnelform Corolla Type: Tube gradually expanding upward as a funnel, the limb may be flaring or somewhat at right angles to the flower axis. See Figure 11.
funnerform> Figure 11.

 

G

Glabrous: Smooth, no hairs present.

 

Globose or Globular: Rounded or like a sphere.

 

Gymnosperm: Cone bearing plants considered more primitive than flowering plants. (Ex: Pine trees)

 

H

Herbaceous: A plant with no persistent woody stem above ground.

 

Husk: The hard or tough layer that covers some fruits and seeds.

 

I

Indehiscent:  A fruit that does not open spontaneously to release seeds.

 

Inflorescence: The flowering part of a plant.

 

Internode: The part of the stem that is between two nodes.

 

K

Kernel: The inner and usually edible part of a seed, grain or nut.

 

L

Lanceolate: Shaped as the head of a lance, broadened at the base and tapering toward the apex. See Figure 12.
lanceolate Figure 12.

 

Leaf axil:  The angle between the stem and the upper surface of an attached leaf.

 

Leaflet: One of the divisions of a compound leaf.

 

Lenticels: A group of raised, corky cells which form beneath the epidermis of a woody plant.

 

Linear: Long and narrow, the sides parallel or nearly so. See Figure 13.
linear Figure 13.

 

Lobed Leaf Margin: Divided into lobes separated by narrow or acute indentations which extend from one-third to one-half of the distance between margin and midrib. See Figure 14 .
lobed Figure 14.

 

M

Margin: The outer edge of a leaf.

 

Midrib: The main or central vein of a leaf.

 

Monoecious: Male and female flowers are borne on the same plant.

 

N

Node: The place on the stem which normally bears a leaf.