
Allium cepa
Allium cepa
Safety & Hazards
There have been cases of poisoning caused by the consumption, in large quantities and by some mammals, of this plant. Dogs seem to be particularly susceptible[ 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. ].
Botanical Description
Allium cepa is a herbaceous, perennial plant (usually grown as an annual or biennial in cultivation) producing 4 - 10 leaves about 30cm long and a flowering scape that can be up to 100cm tall from an underground bulb. The plant divides, forming in time a cluster of plants[ 266 Title Flora of China Publication Author Website http://flora.huh.harvard.edu/china/ Publisher Missouri Botanical Garden Press; St. Louis. Year 1994 ISBN Description An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available. ]. The onion was one of the first plants to be cultivated for food and medicine[ 244 Title Herbs Publication Author Phillips. R. & Foy. N. Publisher Pan Books Ltd. London. Year 1990 ISBN 0-330-30725-8 Description Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant. ]. It is very widely cultivated in most parts of the world for its edible bulb and leaves, there are many named varieties capable of supplying bulbs all the year round[ 200 Title The New RHS Dictionary of Gardening. 1992. Publication Author Huxley. A. Publisher MacMillan Press Year 1992 ISBN 0-333-47494-5 Description Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed. ]. This is one of the most cultivated plants in the world, widely grown especially for its edible bulb, but also for its leaves.