Modiola caroliniana
Ground ivy (nb. there are several other species also called ground ivy). The name should probably be reserved for Glechoma hederacea.
Creeping herb which roots along stems that are about 60 cm. Occasionally climbs. Flowers orange to red, closing up at night.
None.
Common in waste ground, lawns, pasture all over N Island, Marlborough and Canterbury.
Unknown
Has caused staggers in sheep in Australia and the USA, but no reports from NZ.
In the USA reported to cause incoordination and prostration in goats, sheep and cattle. In goats posterior paralysis was observed. Convulsions may occur before death.
Evidence of ingestion and clinical signs.
Symptomatic, including decontamination.
Connor, HE, The Poisonous plants in New Zealand, 2nd ed.,1977, Government Publications Ltd., Wellington
Kingsbury, JM. 1964. Poisonous Plants of the United States and Canada. Prentice Hall, Inc. NJ