R2101 1.2 Naming of plants Flashcards
What is taxonomy
Classification of living and extinct organisms
Writing of plant names (8)
- Botanical names are in latin
- Genus name has capital letter
- Species name does not even when based on someones name
- Underline Genus and species name when writing or use italic type
- Cultivars have a capital letter and are in ‘single quotation marks’
- Variety and subspecies names are underline or italicised
- Interspecific hybrids have an X between the two names
- Intergeneric hybrids have an X before the name
Classification below species [3]
- Sub species (subsp.)»_space;> most different from species
- Varietas (var.)
- forma (f.)»_space;> least different from species
What is Family?
A group of one or more genera which share underlying characteristics.
Names end in - aceae
What is Genus
A group of one or more plants with features in common.
Printed in italics with a Capital letter
What is a species
A group of plants that can interbred
Binomial Name characteristics
Genus Species
Alway written in italics or underlined
Genus in capital letter.
Matching specific epithets
floribunda -- many flowered japonica - from Japan officinalis - useful (for medicine / cooking) campestris - found in fields aurea - golden spinosus - shrubby nemoralis - heart shaped fruticosus - spiney or thorny montana - grown on mountains cordatus - growing in woods or shady places
Distinct cultivated or garden variety, deliberately bred or encouraged
Cultivar
Group of plants with many similar characteristics, can interbreed but offspring sterile; main plant grouping for gardeners
Genus
Group of plants with many clearly identifiable botanical characteristics in common
Family
Group of plants with many characteristics in common, capable of interbreeding and producing fertile offspring
Species
Cross between individuals from different but related genera from one plant family
Intergeneric Hybrid
Naturally occuring variation in form or colour
Variety
Naturally occuring variation, usually geographical
Subspecies
