Section 1 Flashcards
What are the five major gymnosperms?
Trees, woody plants, pines, bald cypress, and eastern red cedar. Total flora: 2187 species
How many species of herbaceous plants are in the Texas piney woods? How many major taxonomic groups?
1838 species and 6 taxonomic groups
What are some examples of woody monocots?
Bamboo, green briars, palms, and yuccas
What group of 330 species is called the “ flowering group”?
Magnoliads & Eudicots
Which 4 flora families are the largest groups in the piney woods region?
The sunflower family, the grass family, the sedge family, and the legume family
What plant family’s scientific name is ASTERACEA?
The sunflower family
What plant family’s scientific name is POACEA?
The grass family
What family’s scientific name is CYPERACEA?
sedge family (some grasses but mostly wetlands vegetation)
What family’s scientific name is FABACEAE
Legume family
Systematic botany or the science of naming, identifying, and classifying plants is called
Plant Taxonomy
Nomenclature is
The application of naming to plants
What’s a taxon?
The name for a group of plants
Flora is
All the native or naturalized plants found in a region
What are Floristics?
Investigation and knowledge of a regions flora
What is phylogeny?
The evolutionary lineage
Composition of scientific species names?
Genus name + specific epithet + author’s name
Modern scientific names began in 1753 when the book___________ was published.
species Plantarum by Carl Linnaeus
Ranks
Domain, Kingdom, division (phylum), class, order, family, genus, and species
What is the basic unit of classification?
Species
What are species
Populations of organism fundamentally alike
What is the morphological species concept?
The traditional concept based on appearance
What is the genetic species concept?
The concept gat members of a species have similar DNA
What is biological species concept?
Plants Can freely interbreed.they are isolated from all other groups by various mechanisms that limit or eliminate gene flow
What is evolutionary ( or phylogenetic) species concept?
The lowest level at which populations have separate evolutionary history
