Cory Tanner or Tannerius coryi Consumer Horticulture Agent/Master Gardener Coordinator.
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Transcript of Cory Tanner or Tannerius coryi Consumer Horticulture Agent/Master Gardener Coordinator.
![Page 1: Cory Tanner or Tannerius coryi Consumer Horticulture Agent/Master Gardener Coordinator.](https://reader035.fdocuments.us/reader035/viewer/2022070407/56649e4b5503460f94b3ff71/html5/thumbnails/1.jpg)
Cory Tanner or Tannerius coryi
Consumer Horticulture Agent/Master Gardener Coordinator
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Terminology
Botany: the science of plants
Taxonomy: the classification of plants
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Vascular Plants
Ferns
Cone Bearing Plants
Flowering Plants
DicotsMonocots
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TerminologyGymnosperm – “naked seed”
Has no flower or ovary (fruit); only conesAll conifers (pines, cedars, arborvitae)
Angiosperm – “vessel seeded”Has a flower with an ovary (fruit)All flowering plantsDivided into Monocots and Dicots
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TerminologyDicotyledons (Dicots):
- flowering plants that contain two seed leaves
Monocotyledons (Monocots): - flowering plants that possess
one seed leaf
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Monocot Dicot
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What’s Wrong with Common Names?
Catesby’s Trilliumor
Rosey Wake-robinor
Bashful Wake-robin
Trillium catesbaei
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Plant Classification
KingdomPhylum
ClassOrder
FamilyGenus
SpeciesCultivar
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Scientific Plant NamesBinomial Nomenclature – 2-name system
Genus species
Developed by Carolus Linnaeus (1753)
Always Latinized and italicized
Usually very descriptive of the plant
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Scientific Plant Names (cont.)Genus – a noun
identifies a particular group of related plantsFirst letter always capitalized
species – typically an adjective identifies a distinct subset of the Genusall lowercase
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Let’s try some!White Oak
Canadian Hemlock
Acer rubrum
Osmanthus fragrans
Quercus alba
Tsuga canadensis
Red Maple
Fragrant Tea Olive
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Scientific Plant Names (cont.)When two names aren’t enough…variety – has traits that separate it from the species,
but not enough to be a new speciesDesignated by var.
Cercis canadensis var. alba
cultivar – “cultivated variety” A variety that arose in garden/nursery culture.Designated in single quotes with the first letter of each
word capitalized. Not italicized.Magnolia grandiflora ‘Little Gem’
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Scientific Plant Names (cont.)What about hybrids?
Hybrid – results from cross-pollination between two different species.Designated by an “x” between Genus and species.
Osmanthus x fortunei – Fortune’s Tea Olive
Hybrid between O. heterophyllus and O. fragrans
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The Ultimate…Acer palmatum var. dissectum ‘Atropurpureum’
AKA:Purple-leaved Threadleaf Japanese Maple
Maple Palmate leaves
Leaves arehighly dissected
(threadleaf)
Leaves aredark red/purple
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Plant IdentificationIt’s all in the details!!!
Gather Information1. Evergreen or Deciduous?2. Tree, shrub, vine or herbaceous?3. Leaf Arrangement4. Leaf Morphology5. Flower Arrangement and Morphology
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The various ways leaves are arranged along the stem is used to identify plants.
Leaf Arrangement
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Leaf Morphology• Venation refers to the pattern in which the veins are distributed in the leaf blade
• Parallel or Net-veined
• Net-veined can be either pinnate or palmate
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Acute - ending in an acute angle
Obtuse - tapering to a round edge
Acuminate - tapering to a long, narrow point
Truncate - having a relatively square base
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Leaf MorphologyShape of the leaf blade and the type of margin are important in plant identification.
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Entire - smooth edge
Serrate - having small teeth pointed toward the apex
Dentate - teeth pointed outward
Lobed - incisions extending less than 1/2 way to midrib
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Next Week – The wonderful world of soils!!!
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