Transcript Invasive Plants - Schoolyard Habitat Garden

Invasive Plants
The Invasive Plants in a Habitat Garden
Made by Milo, Jack and Finn
Table of Contents
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Dwarf Periwinkle
Poison Ivy
Air Potato
Alligator Weed
Spotted Knapweed
Water Lettuce
Garlic Mustard
Dwarf Periwinkle
• Dwarf periwinkle or Vinca minor is native to central
and southern Europe.
• Dwarf Periwinkle is a trailing viny sub shell.
• Dwarf periwinkle spreads by rooting on stems.
• Dwarf periwinkle Some times grows 40 cm high.
• Dwarf periwinkle leaves are evergreen and have a
leathery texture.
• Dwarf periwinkle has an average of 2-4.5 cm long
and 1-2.5 cm broad.
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Poison Ivy
• Poison Ivy or Toxicodendron Radicans is a poisonous North
American plant
• Poison Ivy is known for its production of Uroshiol which is a
clear liquid compound found in the sap of Poison Ivy.
• Poison Ivy causes an itching irritation and sometimes painful
rash if you rub it.
• Poison Ivy is not actually a true ivy.
• Poison Ivy can grow in three different ways, as a trailing vine
10-25 cm tall, as a shrub up to 1.2 meters tall, or a climbing
vine that grows on trees and other support.
• Poison Ivy has almond shaped green leaves that get darker as
they get older.
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Air Potato
• Air Potato or Dioscorea Bulbifera is a true yam plant
native to Africa and Asia.
• Air potato is a perennial vine with broad leaves and
two types of storage organs.
• Some varieties are edible and cultivated as a food crop.
• The air potato plant can grow up to 150 feet tall and 60
feet long.
• The air potato plant can grow up to 8 inches a day.
• It is invasive because of its quick growing large leaves
that spread out and shade out any other plants
beneath it.
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Alligator Weed
• Alligator Weed or Alternanthera Philoxeroides is native
to South America, but spread to Australia, China, New
Zealand, Thailand and the United States.
• Alligator Weed is an immersed aquatic plant.
• Alligator Weed can grow in water and on dry land.
• Alligator Weed can grow large interwoven mats in the
water or along shorelines.
• Alligator Weed stems are long, branched and hollow.
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Spotted Knapweed
• Spotted Knapweed or Centaurea Maculosa is native to
eastern Europe and was introduced to North America.
• Spotted Knapweed is a species of Centaurea.
• In 2000 Spotted Knapweed occupied more than 7
million acres of in the U.S.
• Knapweed is a pioneer species found in recently
disturbed sites or openings.
• Once it has been established at a disturbed site, it
spreads into the surrounding habitat.
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Water Lettuce
• Water Lettuce or Pistia Stratiotes is a genus of aquatic
plant.
• Water Lettuce is in the Arum family.
• Water Lettuce is called Water Cabbage, Nile Cabbage,
or Shellflower.
• The genus name is derived from the Greek word πιστός
(pistos), meaning "water," and refers to the aquatic
nature of the plants.
Garlic Mustard
• Garlic Mustard or Alliaria petiolata is native to Europe,
Western and Central Asia and Northwest Africa.
• Garlic Mustard is a biennial flowering plant in the
brassicaceae or mustard family.
• In the first year of growth Garlic Mustard forms a clump of
round shaped slightly wrinkled leaves, that when crushed
smell like garlic.
• In the spring the plants flower producing cross shape white
flowers that grow in dense clusters.
• Garlic Mustard is found growing in the margins of
hedgerows.
• When the blooming is complete Garlic Mustard produces
upright fruits that release seeds in mid-summer.
Created by Jack Grennan, Finn Bowles and
Milo Bowles