Broad Classification Scheme Annual, Biennial, or Perennial?

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Presentation transcript:

Broad Classification Scheme

Annual, Biennial, or Perennial?

 Marigold is an annual plant.

 A species that completes it’s life cycle in 2 growing seasons.

 An oak tree is a perennial plant.

Herbaceous or Woody?

 A daylily is an example of a herbaceous, perennial plant.

 Burning Bush is an example of a woody, perennial plant.

Deciduous, coniferous evergreen or broad-leaf evergreen?

 Sugar Maple is a deciduous, woody perennial plant.

 Norway Spruce is a coniferous evergreen, perennial plant.

 Holly is a broad-leaf evergreen, perennial plant. Ilex meserveae 'Blue Angel'

Bald cypress Eastern larch

Leaf Types

 Simple  Compound  Pinnately compound  Bipinnately compound  Palmately compound  Scale-like  Needle-like

Leaf Arrangement

Oleander

 Leaf type?  Leaf shape?  Leaf margin?  Leaf arrangement?

 Leaf type?  Leaf shape?  Leaf margin?  Leaf arrangement?

 Leaf type?  Leaf shape?  Leaf margin?  Leaf arrangement?

 Leaf type?  Leaf shape?  Leaf margin?  Leaf arrangement?

 Leaf type?  Leaf shape?  Leaf margin?  Leaf arrangement?

 Vegetative  Flower  Mixed

Flower bud Vegetative bud

Mixed bud

Paper birchWayfarringtree viburnum

 I would advise against doing a Google image search using the key words “naked buds”.

Stem Morphology

Terminal Bud

Bitternut hickory Common lilac

Lateral Buds

Basswood

Leaf Scars

Black walnutNorthern catalpaGreen ash

Vascular Bundle Scars

Ohio buckeye

Terminal Bud Scale Scars

Lenticels

Paperbark cherry White poplar

Tree-of -heaven

Pith

Butternut Black walnut

Kentucky Coffeetree

 Take a look at the twig image and answer the following:  What’s the leaf arrangement?  Does your twig have a terminal bud? Lateral buds?  Can you find any leaf scars? Vascular bundle scars?  Can you find any lenticels?  Can you find the most recent set of terminal bud scale scars?  Do you even care anymore?  Do you have a headache?

White ash

END

Plant Nomenclature

 Plants have 2 different names:  Common Name  Botanical or Scientific Name

 Sugar Maple  Acer saccharum

 Acer = genus  saccharum = specific epithet  genus + specific epithet = the “binomial” that identifies a species

 Gymnocladus dioicus  What’s the name of the genus?  What’s the name of the specific epithet?  What’s the name of the species?

 Acer saccharum ‘Autumn Splendor’  ‘Autumn Splendor’ is a cultivar name  cultivars, generally speaking, do not come true-to- type from seed.  A species may have several cultivars or none at all:  Acer saccharum ‘Arrowhead’  Acer saccharum ‘Cary’  Acer saccharum ‘Millane’s Dwarf’  Acer saccharum ‘Seneca Chief’, etc…

 Gleditsia triacanthos inermis  Gleditsia triacanthos var. inermis  inermis is a variety name. Varieties come true- to-type from seed.

 Acer saccharum Legacy®  Legacy® is a registered trademark (PP 4,979). Legacy® is registered with the Office of Trademarks and Patents in Washington, DC.  Acer saccharum Oregon Trail TM  Oregon Trail TM is a trademarked plant. The TM protects the commercial application of that name to said plant.