|
 An Illustrated Guide to
Common Weeds
of New Zealand
Ipomoea
indica
blue
morning glory
Family
CONVOLVULACEAE
 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.
Rampant,
smothering, hairy perennial, climbing up to 12 m high.
It has brilliant blue, trumpet-shaped flowers in
summer.
- Flowers
Bright blue, large, open trumpet-shaped, up
to 10 cm in diameter, in few-flowered axillary
clusters, new flowers opening daily and fading to pink
in late afternoon. Flowers Jan-Dec.
- Fruit
Very rarely fruits in NZ.
- Leaves
Deeply three-lobed, up to 18 cm long by 16
cm wide, silky-hairy underneath. Terminal lobe
egg-shaped, lateral lobes broad and uneven.
- Stems
Twining and running.
- Roots
Fibrous.
Habitat
Gardens,
waste places, forest margins and plantations.
Distribution
Occasional
throughout frost-free lowland NI, rare in northern SI.
Originally from tropical regions.
Comments
Extremely
attractive tropical plant grown for ornament, and now
growing wild in many places. Listed on the National
Pest Plant Accord (see Introduction for
details).
Derivation
of botanical name
Ipomoea (Gr.)
= worm-like; indica (Lat.) = of India or
the Indies.
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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