What is the smallest flowering plant?

What is the largest?

Wolffia punctata: plant body 0.04 inches

Redwoods of Clifornia: 367.8 feet tall

What is the oldest living plant?

The Bristle Cone Pine

records show one that is well over 4,000 years old

New World: North America and South America

Old World:Eastern Hemisphere, Asia,Europ,Afric, etc.

• important multipurpose plant of the Orient
•  Bark was used as a primitive paper.  Produced a yellow dye. 
• Silkworms feed on its leaves and production of silk closely related to this plant.

Found in Australia; first plant to be reaised by seed in Britain

1. Plant distirbution with great portions of gegraphical range lost through various phenmeno such as glaciation
2. long-distance dispersal;
3. continental drift
4. plants carried great distances anciently by man

Old world vs. New World cottons

Old world cottons

9 (diploid) can be used New world cottons (tetraploid) can not.

**Best type to use has 26 chromosomes (pairs)

Inventionism

society discovered uses

Ex)willow:Egyptians discovered if they chewed to reduce fever

• Wild cotton has fuzz:no use to man
• Domesticated cottons have fuzz and "lint":able to be spun

Wheat and grass constitute for ___ of human energy

What is the number one most cultivated plant?

Chromosomes

• Diploid=2
• Tetraploid=4
• Hexaploid=6
• Octaploid=8

Where is rice grown?

1. Hill rice
2. swamp rice
3. floating rice

**rice likes to be grown in wet conditions

• if we went extinct so would it
• transgenic plants due to so much modifacation
• kernals don't leave paernt plant
• originated in new world (not wheat)
• hybrid is bigger

What is not a true bean?

Sweet Potatoe orginated in which world?

is poisonous but people have found ways to make it ok to eat

Series of cells going end-to-end; thick walls; very good for water movement

Apomixes

• Aloe tree
• water hyassin (aquatic)
• mellaluka (damaged everglades)
• brazilian pepper
• Kudzu

Dredging

pines,firs,spruces,bald cyprus

Softwoods

specific gravity of 0.41 or less

*usually conifers

Hardwoods

Dendrochology

using methods in nature to control

Ex) using snakes to eat rats

** It only works if it targets the species you want it to and not other ones

spring wood and summer wood

Dandelions

Weeds usually result from what?

diversified; alot of variety makes it more stable

Fly Agaric Mushroom

• Originated in the Old World
• most popular
• lacks nitrogen
• male plant is shorter and lighter in color than female

**a plant grows successfully due to both**

Genetics:says a plant can make it in a certain environment

Environment: grows due to proper sunlight, soil, and water

latex: milky (opium)

resin: clear; sticky (sap)

Edibles: peas,beans,soybeans,lentils

Poisons: Precatory,wisteria,locoweed

Edibles:tomatoe, potato,egg plant, chilli pepper

Poisons:Belladonna,nightshade, henbane, tobacco

Edibles: Parsnip,dill, celery

Poisons:Hemlock (socrates), Water Hemlock (most poisonous)