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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.
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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