Lecture 6

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University of Toronto St. George
Ecology & Evolutionary Biology
James Eckenwalder

EEB330H1 S Systematic Botany - James Eckenwalder Lecture 6 January 31, 2013 Polymomials Generic Diagnosis Term Test Information Short answer questions Names of things and listing them Know ranks - which ranks are required and which are extras, no made up ones like cohorts. Differences in endings between algae and fungi and other plants. Know the plants that Linnaeus used in his ranks. Terminology heavy test. Know the terminology from handouts that was used. Draw one or two leaves based on the description Know the contents of the handouts that we're given. Know the periods of taxonomy and what is happening in these periods. Know the names that are used for the periods. Remember the prominent names of each period. There can be true and false, mix and match, etc. Possibly know definitions. Think how folk biological classifications relate to scientific taxonomy. How does Linnaeus bridge them? History of Taxonomy Natural systems (19th Century) - de Jussieus were very important, where their arrangement began in the botanical garden. De Candolles in Switzerland were also key players. Alphonse carried the world flora idea by Linnaeus but he made the first real monographs appear under his leadership. Natural systems were based on inherent and natural classifications. Natural theology - the underlying systems were God. In the natural systems, there were fairly standardized big chunks of angiosperms. Most groups/systems recognized monocotyledonae as a group (ex. Palm trees, usually has one seed, parallel veins, and their flower parts come in threes). Dicotyledons have two in their seeds. They usually have branching veins that hook into networks, and their flower parts are in fours and fives. Dicotyledons were subdivided into Apetalae (no petals), monochlamydeae (unisexual flowers), choripetalae (plants were perfect flowers with both male and female parts; petals are separate from one another: split into apocarpus (carpals were made into separate pistols like raspberries and blackberries) and syncarpus (individual parts are congealed to a single pistol. Sympetalae have side to side attached petals (separated into groups with superior and inferior). Within these groups, there were orders, described generally
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