Plant Taxonomy Exam 1

Define plant taxonomy

The process of classifying, distinguishing, and naming of plants

Who was Carl Linnaeus?

The Father of Taxonomy who divided the plant kingdom into 24 classes

What division are mosses?

Bryophyta

What division are liverworts?

Marchantiophyta

What division are hornworts?

Anthocerotophyta

What division are ferns?

Polypodiophyta

What division are club mosses?

Lycopodiophyta

What division are whisk ferns?

Psilophyte

What division are horsetails?

Equisetophyta

What is the order of taxonomic hierarchy?

Kingdom

Division

Class

Order

Family

Genus

Species

What are the suffixes for each of the levels of hierarchy?

Kingdom:-ae

Division:-phyta

Class:-opsida

Order:-ales

Family:-aceae

Genus and Species: don’t have standard suffixes

What does ICN stand for?

International Code of Nomenclature

What are the 3 parts if a scientific name?

1. Genus

2. Specific epithet

3. Authority/Authorities

What’s the difference between sp. and spp.?

sp. is for one specimen

spp. is for a group of specimens in the same genus

Multiple people in authorities

&-two authors worked together

ex-the second author’s name was proposed and published and the first author just proposed a name

in-the first author published the name which was then edited by the second author

What’s a difference between plant and animal scientific names?

The genus and species can’t be the same in plants

What is a Chara?

a green algae

What are the two growth forms of moss and how do they differ?

Acrocarpous-grows upright from apex of moss

Pleurocarpous-grows in a creeping pattern out from side of stem

Parts of a fern diagram

How do sporophyte and gametophyte differ?

Gametophytes are haploid and the first generation and the base moss section

Sporophytes are diploid and the second generation and a sprig that comes out the top of the moss

What are the four types of specialized tissue in plants?

1. Meristematic tissue

2. Dermal Tissue

3. Vascular Tissue

4. Ground Tissue

What kinds of roots do monocots and dicots typically have?

Monocots-fibrous roots

Dicots-taproots

How are the vascular systems organized in different plants?

Monocots-scattered vascular bundles

Dicots-cylindrically arranged

What are the four types of adapted stems?

Tubers

Bulbs

Corms

Rhizomes

How do primary and secondary growth differ?

Primary-growth from meristematic tissue

Secondary-occurs in cambia and only happens in dicots and conifers

How are gymnosperms more advanced than ferns?

1. Seeds

2. Not dependent on water for fertilization

3. More dominant diploid generation

4. More efficient vascular system

What is the family to know in the Gnetales order?

Ephedraceae

What is the family to know in the Ginkgoales order?

Ginkgoaceae

What are the genera to know in the Pinaceae family?

Pinus, Picea, Larix, and Abies

What are the genera to know in the Cupressaceae family?

Thuja and Juniperus