flower types & major families - wordpress.com...flower types & major families what you need...
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Flower Types & Major
Families
What you need to know
to identify plants
REM 252
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What are Flowers?
Reproductive Organs
2Molinodosanto.com
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How do Flowers Reproduce?
Flowers produce fruit Fruits Contain Seeds
3
Require Pollination
zombiehunters.com
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Seeds Get Dispersed
4aristeos.com
How do Flowers Reproduce?
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Plants germinate and grow into adults
5
paghat.com
How do Flowers Reproduce?
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Conifers or gymnosperms Produce seeds on cones (no ovary)
6
Dendro.cnrt.vt.gov
Plants Without Flowers
Welovemrsparishandmrwhitete.weebly.com.com
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Structure of Flowers
7
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Flowers are Simple or Complex
Flower Inflorescence
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Structure of Flowers Inflorescence - Group of flowers
9
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Flowers are on main stalk
(without pedicels sessile)
10
Spike
* You do not need to memorize the terms pedicel or sessile
Invasive.org
Inflorescence
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Flowers attached to main stalk
with pedicels
11
Raceme
* You do not need to memorize the terms pedicel or pediculate
Inflorescence
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Compound Raceme
12
PanicleInflorescence
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All pedicles appx. same length
connect to stalk at same location
Family Apiaceae (carrot family)
13
Umbel
Bio.utexas.edu
Inflorescence
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Raceme with longer (uneven) pedicles at
bottom of inflorescence
Flowers appear to be at the same height
14
CorymbInflorescence
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Ray and Disk flowers
Family Asteraceae (daisy/sunflower family)
15
Composite/HeadInflorescence
Ray flowers
Disk flowers
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Flowers
Composite Heads
Ray Flowers Disk Flowers Ray and Disk Flowers
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Plant Families & Tribes
Some plant families that will be covered
in REM 252
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Asteraceae Tribes
Anthemideae
Heliantheae
Astereae
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Anthemideae of Asteraceae
The “fragrant” tribe
Flowers not showey
Yarrow and sage
Composite/Head flowers
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Heliantheae of Asteraceae
The “sunflower” tribe
Flowers showy
Composite/Head flowers
Prominent ray flowers
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Astereae of Asteraceae The “aster” tribe
Small, indistinct flowers
Snakeweed
Missouri goldenrod
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Grass Family and Tribes Poaceae = Grass Family
Variable inflorescence types
= Panicle
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Grass Family and Tribes
Poaceae = Grass Family
Variable inflorescence types
= Spilke
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Chenopodiacea
The Goosefoot Family
Flowers not showy
Often with separate
male & female flowers
Usually gray
No petals
Leaves variable
Fireflyforest.com
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Chenopodiaceae Variable: spike/raceme/panicle
25
Fireflyforest.com
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Rosaceae
The Rose Family
Showy flowers
Five sepals
Many petals, stamen and
pistils
Often bears fruit
throughout
fall and winter
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Rosaceae Single flower (not inflorescence)
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Rosaceae Panicle (compound raceme)
28
Fireflyforest.com
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Fabaceae
Legume or Bean Family
Often elongate/tubular
Various inflorescence types
Nitrogen-fixing
Bilateral symmetry
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Fabaceae
Spike
Fireflyforest.com
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Brassicaceae Mustard (or caper) Family
Four sepals and four petals
Often yellow or white
Variable inflorescence
Raceme
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Salicaceae Cottonwood and Willow Family
Often white bark
Cottony fruit
Not showy flowers
Catkins
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Questions?