Pre-Test #1 Flashcards
Gymnosperm
‘naked seed’
wind pollinated
held to the surface of a cone scale or structure NOT enclosed in an ovary of a flower that becomes a fruit.
Conifers
woody plants
gymnosperms
female and male reproductive structures in separate cones or strobili rather than flowers
Coniferous trees and shrubs
Typically bear both female and male cones on the same plant= monoecious
Strobile
a cone or inflorescence resembling a cone
Angiosperm
flowering plants.
Classified into two major groups monocotyledons and eudicotyledons.
Seeds are enclosed in an ovary of a flower that becomes a fruit.
Monoecious, dioecious or perfect
Taxonomy
the systematic classification, naming, and identification of plants.
Genus Specific epithet
species
Genus
one or more related species that are more like each other than to other species
Specific Epithet
often descriptive (morphology, location, person, colour, etc.)
Species
A classification of related organisms sharing common characteristics species presumably come from a single ancestral population.
Within the species
Variety, cultivars, hybrid and common names
Variety
naturally occuring population, not selected by someone
Cultivars
selected/bred by someone- they may or may not be true breeding
Hybrid
can arise naturally or artificially by crossing between species (interspecific) or genera (intergeneric)
Genus- Abies
Common name- Fir
Genus- Juniperus
Common name- Juniper
Genus- Larix
Common name- Larch
Genus- Pinus
Common name- Pine
Genus- Picea
Common name- Spruce
Genus- Thuja
Common name- Cedar
Genus- Ulmus
Common name- Elm
Genus- Fraxinus
Common name- Ash
Genus- Betula
Common name- Birch
Genus- Populus
Common name- Poplar