flower characteristics agr 161. objectives the students will be able to: label the parts of the...
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Flower Characteristics
AGR 161
Objectives
The students will be able to:
•Label the parts of the flower.
•Identify each parts function.
•Recognize the different inflorescence types.
Flowers Flowers are produced primarily for
their commercial purposes
Flowers come in various shapes, sizes and colors
Flowers are used for reproduction
Parts of the Flower
Sepals
Green leaf-like structures beneath the petals.
Calyx is made up of all the sepals on one flower
Petals
Usually brightly colored
Primarily used to attract pollinators
Collectively petals are referred to as calyx
Stamens
The male reproductive part of the flower is the stamens
2 parts Anther and Filament
Pistils
The female reproductive parts of the flower
3 parts Stigma, Style, and Ovary
Ovary contains ovules or eggs
Inflorescence
Inflorescence is the arrangement of flowers on a stem.
Some flowers are clustered at the tip of the stem, while other are likes spikes
Types of Inflorescence
Cyme Spike Raceme Panicle Corymb
Umbel Spadix Catkin Head
Cyme
Usually a flat topped inflorescence
Baby’s Breath
Spike An elongated
inflorescence with a central axis.
Flowers are attached to the inflorescence without a stem or stalkLiatris
Raceme
Elongated inflorescence with central axis.
Pedicels are more or less of equal length
Snapdragon
Panicle Elongated
inflorescence
Along the central axis there are branches that are themselves branched
Astilbe
Corymb
Flat topped inflorescence
Mainly a vertical axis with branches of unequal length
Yarrow
Umbel
Inflorescence having several branches arising from a common point
Queen Anne’s Lace
Spandix
Spike with a thickened, fleshy axis
Anthurium
Catkin Catkin is a spike,
raceme, or cyme
Composed of unisexual flowers without petals
Falling as a unit
Willow Tree
Head
Rounded or flat-topped cluster of sessile flowers
Type of Chrysanthemum
REVIEW
REVIEW
SpadixCalla Lily
CatkinWillow Tree
CymeBaby’s Breath
SpikeLiatris
UmbelQueen Anne’s Lace
PanicleAstible??
HeadSpider Mum
RacemeDelphinium
Corymb
Yarrow