What is white-edged nightshade?(Solanum marginatum)
- White-edged nightshade is a toxic weed found on roadsides, waste areas and in gardens.
- White-edged nightshade is a declared weed in Tasmania under the Tasmanian Weed Management Act 1999. The importation, sale and distribution of white-edged nightshade are prohibited in Tasmania.
How to identify white-edged nightshade?
nightshade is a small shrub growing to 1.5 metres high. The stems are
silvery-white and densely hairy and with scattered yellow prickles. The
leaves are dull green with white edges above, and with a dense mass of
white hairs on the lower surface. Upper and lower surfaces of the leaves
also have scattered yellow prickles. The flowers are white to pale
mauve and carried in groups of 2 to 8 at the ends of branches. The fruit
is a yellow berry.
- Seeds germinate in spring and summer, with
seedlings growing slowly in their first season. Flowering is in October
to November. Plants become dormant in late autumn or early winter, and
resprout in the spring.
- For help in identifying white-edged nightshade, search the Dennis Morris Weeds and Endemic Flora database
for white-edged nightshade illustrations. If you are still in doubt
about the weed you are dealing with, contact your Regional Weed
Management Officer on 1300 368 550 for help.
Image top: White-edged nightshade, Christian Goninon, DPIPWE
Images above: White-edged nightshade showing size (top of ruler is at 200 mm), photo: D Lane
White-edged nightshade in Tasmania
nightshade is an occasional weed of neglected areas and roadsides in
Tasmania. It has been reported on the east coast at Swansea and on Maria
Island, the north-west coast and larger infestations have been found
around Hobart (see map).
nightshade can invade coastal environments making it a potentially
serious environmental weed. White-edged nightshade is also found in
gardens as an ornamental. White-edged nightshade is also toxic and has
caused illness in people eating the fruits. White-edged nightshade is
not currently a serious weed of pasture or crops in Tasmania.
What is the legal status of white-edged nightshade in your area?
Detailed management and control guidelines for white-edged nightshade can be found in the White-edged nightshade Control Guide. Refer also to Herbicides for White-edged nightshade Control. For further information see DPIPWE's Weed Links and Resources.See also:
legal responsibilities of landholders and other stakeholders in dealing
with white-edged nightshade are laid out in the white-edged nightshade Statutory Weed Management Plan.
- Use Table 1 (Zone A municipalities) to find out whether this weed occurs in your municipality.
White-edged Nightshade Control Guide
White-edged nightshade Statutory Weed Management Plan
Herbicides for White-edged Nightshade
Weed Links and Resources
Other useful links:
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