Plant Classification Theophrastus 370-285 BC Carl von Linnae Historia Plantarum Trees, shrubs, half shrubs, herbs Annuals, biennials and perennials A few families Carl von Linnae Genera Plantarum Species Plantarum Binomial system – two part name
Plant Classification Kingdom – Plantae (Plant) Division – Tracheophyta, Spermatophyta, Bryophyta, Thallophyta, Pteridophyta Class – Gymnospermae, Angiospermae, Filicinae Subclass – for Angiospermae only- Monocotyledonae, Dicotyledonae Order (ales ending) Family (aceae ending) Genus Species (specific epithet) Variety/Cultivar
Classification Class-Gymnospermae Order- Coniferales Family- Cupressaceae Genus - Juniperus species - chinensis variety - ‘Procumbens Nana’
Juniperus sp.
Pinus sp.
Classification Class - Angiospermae Subclass - monocotyledonae order - Arecales (Palmales) Family - Arecaceae Genus - Washingtonia species - filifera
Monocot
Monocot - Flower
Classification Class - Angiospermae Subclass - Dicotyledonae Order - Apocynales Family - Apocynaceae Genus - Plumeria species - obtusa cv - ‘Common White’
Angiospermae - Dicot
Angiospeermae - Dicot
Classification Class - Filicinae Order - Polypodiales Family - Polypodiaceae Genus - Nephrolepis species - exaltata cultivar - ‘Bostoniensis’
Filicinae - Dicksonia sp.
Monocots vs. Dicots Monocot One seed leaf Parallel leaf veins Flower parts in 3’s or multiples of 3’s Dicot Two seed leaves Netted/reticulate venation Flower parts in 4’s or 5’s or in multiples of these.
Horticultural Classification Morphological features Succulent Herbaceous Woody Vines Trees Shrubs Deciduous Evergreen
Horticultural Classification Environmental Cold hardy Tender Warm season Cool season Aquatic xeriphytes
Classification Growth pattern By usage Annuals Biennials Perennials Edible – vegetable, fruit and nut crops Amenity – cut flowers, potted crops, nursery crops, turfgrasses
Career Options in Horticulture Nursery Wholesale growing, plant propagation of bedding plants, woody ornamentals, foliage plants, specialty crops, etc. Retail sales of plants and other products to the public
Careers in Horticulture Sales brokers-finished plants, propagation material company representatives- chemical-fertilizers, pesticides, growth regulators, etc. equipment-mowers, edgers, small tractors, etc tools-rakes, shovels, hoes, small tools, etc. supplies-packaged soils, garden tape, grafting materials, pots, cell packs, etc.
Careers in Horticulture Sales (cont’d) soil-custom mixed, compost, artificial soils combination of product mixes and services seed publications and news
Careers in Horticulture Landscaping Architectural Design Freelance Design Contracting and Installation Maintenance Arbor Services Certified Arborist (Consulting)
Careers in Horticulture Turfgrass Sod Farming Municipal Park Maintenance Golf Course Management Athletic Field/Stadium Management Cemetery Maintenance Consulting
Careers in Horticulture Irrigation Consulting Contracting and Installation Design Sales and service of parts
Careers in Horticulture Education and Research vocational education university / community college teaching university research and publications cooperative extension service botanical garden management