Layering #1
Layering #2
Specialized stems and roots #1
Specialized stems and roots #2
Bulbs
100

Propagation in which roots are formed on a stem while still attached to the parent plant.

Layering

100

Similar to simple layering except that the stem is covered by soil at 2 or more points.

Serpentine layering

100

Name given to all types of plants that survive part of their life as a dormant, fleshy, underground structure.

Geophyte


100

Another name for the buds on a tuber.

Eyes

100

These bulbs have outer scales that are dry and paper-like

Tunicate

200

Layering is best started in this season

Spring

200

This type of layering works well with tropical plants.

Air layering

200

Type of propagation that uses naturally detachable structures on the plant.

Separation

200

Crocus have this type of structure

corm

200

These bulbs are not enclosed in a dry covering

Non-tunicate or scaly

300

Removing the bark all the way around the stem.

Girdling

300

The mother plant is bent to the ground and completely covered with soil in this type of layering.

Trench layering

300

Type of propagation that involves cutting the plant into sections with stems and roots.

Division

300

Enlarged stem produced by some orchids

Pseudobulb

300

Type of propagation used for lilies where individual scales are broken off and planted.

Scaling

400

This is often applied to the girdled area to promote growth.

Rooting hormone.

400

Stolons, runners, and rhizomes are examples of this type of layering.

Natural layering.

400

Other than a means of propagation, the other purpose of underground plant parts.

Food storage


400

Miniature corms

Cormels

400
Daughter bulbs still attached to the main bulb.

Offsets

500

Type of layering where a branch from a parent plant is bent to the ground and covered with soil.

Simple layering

500

Strawberries and spider plants have this specialized type of stem.

Runners.
500

Specialized stem that grows horizontally at or just below the ground.

Rhizome

500

Massive enlargement of secondary roots  i.e Dahlia

Tuberous roots

500

The Amaryllis growth cycled is related to this climate cycle

Wet-dry