This document provides an introduction to rose flower anatomy and hybridization. It outlines objectives to identify flower parts and their functions on roses. It emphasizes that the flower is where new rose varieties begin through cross-pollination between parent roses, which can result in offspring with new colors and shapes unlike either parent. It asks if the reader would like to proceed with learning more about rose hybridization.

1. Lesson One
Rose Flower Anatomy
Texas A University Rose Breeding and Genetics Program
Lesson Series in Rose Hybridization

2. Objectives
• Identify flower parts
• Identify function of each floral part
• Identify flower parts on a rose
flower

3. The Flower
Its significance to the rose breeder?
‘Tis the place where all new roses begin!***
***And yes, a few of them are mighty pretty.

4. An example
Let’s take these two roses and make a cross.

5. Just some of the
results…

6. Are you intrigued now?
• Notice the different colors
• Notice the different shapes
• Notice that some of them don’t look anything
like either parent
Care to proceed?