Labiate
Term to describe zygomorphic flowers where one or more petals fuse to form a lip as in some members of the Fabaceae family. In some case the the petals may form two lips (Bi-labiate) as seen in Westringia flowers.
Laricina
A latin word used in plant naming meaning - larch-like.
Lasiocarpa
A latin word used in plant naming meaning - rough or wooly fruit.
Lateral Bud
Also known as an axillary bud. The bud located where the leaf petiole meets the stem.
Layering:
A method of propagation in which a stem is induced to send out roots by surrounding it with soil.
Leaf axil
The angle between the petiole of a leaf and the stem to which it is attached.
Leaf Scar
The mark left on the stem when the leaf falls.
Lenticels
These are small pores along the stem, they allow gases to move in and out
Leucodermis
A latin and greek word used in plant naming meaning - white skin or bark
Lignotuber
These are modified stems found in many but not all banksia and eucalyptus. These tuberous swellings lie dormant until the plant dies and then develop buds and the plant regenerates. After a bush fire the new growth close to the base of the plant is likely to be growing from a lignotuber.
Lime
A rock powder consisting primarily of calcium carbonate that is used to raise the pH or to decrease the acidity of acid soils.
Loam
An imprecise term, usually denoting a rich soil composed of clay, sand and humus
Lobed leaf
A leaf whose margin is shallowly divided.