
Cynoglossum officinale
Cynoglossum officinale
Safety & Hazards
Houndstongue contains alkaloids that can cause cancer when the plant is consumed in large quantities or over extended periods[ 238 Title Encyclopaedia of Herbs and their Uses. Publication Author Bown. D. Publisher Dorling Kindersley, London. Year 1995 ISBN 0-7513-020-31 Description A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant. ]. The plant is also said to be slightly poisonous[ 21 Title The Herb Book. Publication Author Lust. J. Publisher Bantam books Year 1983 ISBN 0-553-23827-2 Description Lots of information tightly crammed into a fairly small book. ], there are no reported cases of human poisoning but there are some cases of cattle being poisoned[ 76 Title Poisonous Plants in Britain and their Effects on Animals and Man. Publication Author Cooper. M. and Johnson. A. Publisher HMSO Year 1984 ISBN 0112425291 Description Concentrates mainly on the effects of poisonous plants to livestock. ]. The plant has a disagreeable odour and taste so is seldom eaten by animals[ 212 Title A Field Guide to Rocky Mountain Wildflowers Publication Author Craighead. J., Craighead. F. and Davis. R. Publisher The Riverside Press Year 1963 ISBN 63-7093 Description Excellent little pocket guide to the area, covering 590 species and often giving details of their uses. ]. Contact with the plant can cause dermatitis in sensitive people[ 222 Title A Field Guide to Medicinal Plants. Eastern and Central N. America. Publication Author Foster. S. & Duke. J. A. Publisher Houghton Mifflin Co. Year 1990 ISBN 0395467225 Description A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties. ].
Botanical Description
Cynoglossum officinale is an erect biennial plant, occasionally living longer. It can grow around 30 - 90cm tall[ 17 Title Flora of the British Isles. Publication Author Clapham, Tutin and Warburg. Publisher Cambridge University Press Year 1962 ISBN - Description A very comprehensive flora, the standard reference book but it has no pictures. ]. The plant is harvested from the wild for local use as a food and medicine