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 An
Illustrated Guide to
Common Weeds
of New Zealand
Hedera
helix
ivy
Family
ARALIACEAE
 Reproduced
from
Common
Weeds of New Zealand
by Ian Popay, Paul Champion & Trevor James
ISBN 0 473 09760 5
by kind permission of the
New
Zealand Plant Protection Society
Publication or other use of images or descriptive
text on these pages is unauthorised unless written permission is
obtained from the authors and publisher.
Appropriate acknowledgement
of the publication Common Weeds of New Zealand must always
be given.
Available from Nationwide Book Distributors
Perennial climber
with dark green, evergreen leaves and shoots attached to support
by aerial rootlets. The small, greenish flowers are followed by
black berries.
- Flowers
Yellowish-green petals which are 3-5 mm long. Flowers Mar-May.
- Fruit
Deep bluish-purple to black when ripe, 5-8 mm in diameter, two
or three seeded.
- Leaves
Dark green or variegated ivory-white, 3-15 cm long, with very
variable shapes.
- Stems
Up to 30 m long, creeping climber, becoming stouter and more erect
at flowering. Attached to support by means of aerial rootlets.
Habitat
Waste places, river-beds,
stream banks, cliffs, often climbing over trees and fences.
Distribution
Scattered throughout
NI. In Nelson, Canterbury, Marlborough and Otago Peninsula in
SI. Also Halfmoon Bay, Stewart Island. Originally from temperate
Europe and Asia.
Comments
Both berries and foliage
can be poisonous, but no poisoning of
livestock or children has been recorded in NZ. Sometimes planted
as a ground-cover plant. Subject to a Pest Plant Management Strategy
in one or more regions. Check with the regional council for details.
Derivation
of botanical name
Hedera Lat.
name for the plant; helix (Gr. and Lat.) = spirally twisted
Web-notes:
Weed Links
On this site
Reproduced from Common Weeds
of New Zealand:
External Links
 Weedbusters
New Zealand
- Weedbusters is a weeds awareness and education programme that aims to
protect New Zealand's environment from the increasing weed problem.
- AgPest
- A free tool to assist farmers and agricultural professionals in decision-making regarding weed and pest identification, biology, impact and management.
 New Zealand Weeds Key
- An interactive identification key to the weeds of New Zealand. Developed at Landcare Research.
New
Zealand Plant Conservation Network naturalised plants
- Search for information on more than 2500 naturalised and weedy plants.
 New
Zealand Plant Protection Society
- Their main objective: "To pool and exchange information on the biology
of weeds, invertebrate and vertebrate pests, pathogens and beneficial organisms
and methods for modifying their effects."
-
 Massey
University Weeds Database- A site providing information about New Zealand weeds and weed control.
It has a series of pages showing pictures of New Zealand weeds, notes on
identification and control. It also provides information on a university
paper entitled Controlling Weeds.
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