Illustrated Guide to
of New Zealand
Weeds of New Zealand
by Ian Popay, Paul Champion & Trevor James
ISBN 0 473 09760 5
by kind permission of the
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.
of the publication Common Weeds of New Zealand must always
Available from Touchwood
foul-smelling, ferny leaved, hairless annual or biennial, with purple
spots on leaves and stem. Small flowers in white umbels at the top
of stems up to 2 m tall.
Small, white, 2 mm in diameter, in large terminal compound umbels
up to 8 cm in diameter. Flowers Sep-Jan.
Dark brown barrel-shaped capsules 3 mm in diameter, with light
brown wavy ridges.
Large, alternate, dark green on the upper surface, grey-green
underneath. Fern-like, two to three times pinnately divided, deeply
lobed, egg-shaped final leaflets up to 40 mm long.
Smooth, hollow, branching, blue-green. Conspicuously spotted or
blotched purple or pink.
and banks, hedgerows, forest margins, damp or marshy places and
Common throughout NI
and in SI especially Otago and Southland, only occasionally found
in Westland. Occasional on Stewart and Chatham Islands. Originally
from Europe, Asia and north Africa.
dies after flowering. All parts are very poisonous
even when dry. Animals tend not to graze the plant because of
its unpleasant smell. Reputedly the plant with which Socrates
was forced to commit suicide. Subject to Pest Plant Management
Strategies in several regions of NZ. Details are available from
individual regional councils or unitary authorities.
of botanical name
= hemlock; maculatum (Lat.) = spotted.