Nasturtium x sterile
(Airy-Shaw.) Oefel.
Brassicaceae
The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Brown Watercress
General Information
Nasturtium x sterile is a perennial plant that can grow up to 0.50 metres tall.
It is harvested from the wild for local use as a food, medicine and source of materials.
Known Hazards
Whilst the plant is very wholesome and nutritious, some care should be taken if harvesting it from the wild. Any plants growing in water that drains from fields where animals, particularly sheep, graze should not be used raw. This is due to the risk of it being infested with the liver fluke parasite[
5- Title
- Food for Free.
- Publication
-
- Author
- Mabey. R.
- Publisher
- Collins
- Year
- 1974
- ISBN
- 0-00-219060-5
- Description
- Edible wild plants found in Britain. Fairly comprehensive, very few pictures and rather optimistic on the desirability of some of the plants.
,
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.
]. Cooking the leaves, however, will destroy any parasites and render the plant perfectly safe to eat[
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.
].
Botanical References
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.
Range
Western Britain in Britain and France.
Habitat
Stream margins, ditches, flushes etc with moving water[
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.
,
27- Title
- The Vegetable Garden.
- Publication
-
- Author
- Vilmorin. A.
- Publisher
- Ten Speed Press
- Year
-
- ISBN
- 0-89815-041-8
- Description
- A reprint of a nineteenth century classic, giving details of vegetable varieties. Not really that informative though.
], usually in chalk or limestone areas[
52- Title
- Salads all the Year Round.
- Publication
-
- Author
- Larkcom. J.
- Publisher
- Hamlyn
- Year
- 1980
- ISBN
-
- Description
- A good and comprehensive guide to temperate salad plants, with full organic details of cultivation.
].
Properties
Edibility Rating | |
Medicinal Rating | |
Habit | Perennial |
Height | 0.50 m |
Pollinators | Bees, Flies, Self |
Self-fertile | Yes |
Cultivation Status | Wild |
Cultivation Details
Watercress is easily grown when given the correct conditions of slowly flowing clean water, preferably coming from chalky or limestone soils[
264- Title
- Vegetables
- Publication
-
- Author
- Phillips. R. & Rix. M.
- Publisher
- Macmillan Reference Books, London.
- Year
- 1995
- ISBN
- 0 333 62640 0
- Description
- Excellent and easily read book with good information and an excellent collection of photos of vegetables from around the world, including many unusual species.
]. It prefers to grow in water about 5cm deep[
37- Title
- The Gardener's Assistant.
- Publication
-
- Author
- Thompson. B.
- Publisher
- Blackie and Son.
- Year
- 1878
- ISBN
- -
- Description
- Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
] with an optimum pH 7.2[
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.
]. Plants can be grown in wet soil if the position is somewhat shaded and protection is given in winter, though the flavour may be hotter[
27- Title
- The Vegetable Garden.
- Publication
-
- Author
- Vilmorin. A.
- Publisher
- Ten Speed Press
- Year
-
- ISBN
- 0-89815-041-8
- Description
- A reprint of a nineteenth century classic, giving details of vegetable varieties. Not really that informative though.
,
37- Title
- The Gardener's Assistant.
- Publication
-
- Author
- Thompson. B.
- Publisher
- Blackie and Son.
- Year
- 1878
- ISBN
- -
- Description
- Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
].
Hardy to about -15°c[
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.
].
Brown watercress is often cultivated for its edible leaves, there are some named varieties[
16- Title
- New Vegetable Growers Handbook.
- Publication
-
- Author
- Simons.
- Publisher
- Penguin
- Year
- 1977
- ISBN
- 0-14-046-050-0
- Description
- A good guide to growing vegetables in temperate areas, not entirely organic.
,
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. The plant is very sensitive to pollution so a clean source of water is required[
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.
]. Plants will often continue to grow all through mild winters. A fast-growing plant, the stems trail along the ground or float in water and produce new roots at the leaf nodes, thus making the plant very easy to propagate vegetatively[
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.
]. Unfortunately, virus diseases have become more common in cultivated plants and so this species is seldom cultivated at present[
264- Title
- Vegetables
- Publication
-
- Author
- Phillips. R. & Rix. M.
- Publisher
- Macmillan Reference Books, London.
- Year
- 1995
- ISBN
- 0 333 62640 0
- Description
- Excellent and easily read book with good information and an excellent collection of photos of vegetables from around the world, including many unusual species.
].
This is a sterile hybrid, so does not form seed. It has been produced in the wild by natural hybridisation between the diploid species N. officinale and the triploid N. microphyllum[
264- Title
- Vegetables
- Publication
-
- Author
- Phillips. R. & Rix. M.
- Publisher
- Macmillan Reference Books, London.
- Year
- 1995
- ISBN
- 0 333 62640 0
- Description
- Excellent and easily read book with good information and an excellent collection of photos of vegetables from around the world, including many unusual species.
].
The flowers are a rich source of pollen and so are very attractive to bees[
7- Title
- Encyclopaedia of Medicinal Plants.
- Publication
-
- Author
- Chiej. R.
- Publisher
- MacDonald
- Year
- 1984
- ISBN
- 0-356-10541-5
- Description
- Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
].
Edible Uses
Leaves - raw or cooked[
2- Title
- Sturtevant's Edible Plants of the World.
- Publication
-
- Author
- Hedrick. U. P.
- Publisher
- Dover Publications
- Year
- 1972
- ISBN
- 0-486-20459-6
- Description
- Lots of entries, quite a lot of information in most entries and references.
,
5- Title
- Food for Free.
- Publication
-
- Author
- Mabey. R.
- Publisher
- Collins
- Year
- 1974
- ISBN
- 0-00-219060-5
- Description
- Edible wild plants found in Britain. Fairly comprehensive, very few pictures and rather optimistic on the desirability of some of the plants.
,
7- Title
- Encyclopaedia of Medicinal Plants.
- Publication
-
- Author
- Chiej. R.
- Publisher
- MacDonald
- Year
- 1984
- ISBN
- 0-356-10541-5
- Description
- Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
,
9- Title
- Edible and Medicinal Plants.
- Publication
-
- Author
- Launert. E.
- Publisher
- Hamlyn
- Year
- 1981
- ISBN
- 0-600-37216-2
- Description
- Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
16- Title
- New Vegetable Growers Handbook.
- Publication
-
- Author
- Simons.
- Publisher
- Penguin
- Year
- 1977
- ISBN
- 0-14-046-050-0
- Description
- A good guide to growing vegetables in temperate areas, not entirely organic.
,
27- Title
- The Vegetable Garden.
- Publication
-
- Author
- Vilmorin. A.
- Publisher
- Ten Speed Press
- Year
-
- ISBN
- 0-89815-041-8
- Description
- A reprint of a nineteenth century classic, giving details of vegetable varieties. Not really that informative though.
]. Water cress is mainly used as a garnish or as an addition to salads, the flavour is strong with a characteristic hotness[
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
]. It has a reputation as a spring tonic, and this is its main season of use, though it can be harvested for most of the year and can give 10 pickings annually[
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.
]. Some caution is advised if gathering the plant from the wild, see the notes above on toxicity. The leaves are exceptionally rich in vitamins and minerals, especially iron[
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.
]. A nutritional analysis is available[
218- Title
- Medicinal Plants of China
- Publication
-
- Author
- Duke. J. A. and Ayensu. E. S.
- Publisher
- Reference Publications, Inc.
- Year
- 1985
- ISBN
- 0-917256-20-4
- Description
- Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
].
Medicinal
Watercress is very rich in vitamins and minerals, and has long been valued as a food and medicinal plant[
254- Title
- The Encyclopedia of Medicinal Plants
- Publication
-
- Author
- Chevallier. A.
- Publisher
- Dorling Kindersley. London
- Year
- 1996
- ISBN
- 9-780751-303148
- Description
- An excellent guide to over 500 of the more well known medicinal herbs from around the world.
]. Considered a cleansing herb, its high content of vitamin C makes it a remedy that is particularly valuable for chronic illnesses[
254- Title
- The Encyclopedia of Medicinal Plants
- Publication
-
- Author
- Chevallier. A.
- Publisher
- Dorling Kindersley. London
- Year
- 1996
- ISBN
- 9-780751-303148
- Description
- An excellent guide to over 500 of the more well known medicinal herbs from around the world.
].
The leaves are antiscorbutic, depurative, diuretic, expectorant, purgative, hypoglycaemic, odontalgic, stimulant and stomachic[
4- Title
- A Modern Herbal.
- Publication
-
- Author
- Grieve.
- Publisher
- Penguin
- Year
- 1984
- ISBN
- 0-14-046-440-9
- Description
- Not so modern (1930's?) but lots of information, mainly temperate plants.
,
7- Title
- Encyclopaedia of Medicinal Plants.
- Publication
-
- Author
- Chiej. R.
- Publisher
- MacDonald
- Year
- 1984
- ISBN
- 0-356-10541-5
- Description
- Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
,
9- Title
- Edible and Medicinal Plants.
- Publication
-
- Author
- Launert. E.
- Publisher
- Hamlyn
- Year
- 1981
- ISBN
- 0-600-37216-2
- Description
- Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
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.
,
46- Title
- Dictionary of Economic Plants.
- Publication
-
- Author
- Uphof. J. C. Th.
- Publisher
- Weinheim
- Year
- 1959
- ISBN
- -
- Description
- An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
,
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
- 0-395-46722-5
- 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.
,
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 has been used as a specific in the treatment of TB[
4- Title
- A Modern Herbal.
- Publication
-
- Author
- Grieve.
- Publisher
- Penguin
- Year
- 1984
- ISBN
- 0-14-046-440-9
- Description
- Not so modern (1930's?) but lots of information, mainly temperate plants.
]. The freshly pressed juice has been used internally and externally in the treatment of chest and kidney complaints, chronic irritations and inflammations of the skin etc[
9- Title
- Edible and Medicinal Plants.
- Publication
-
- Author
- Launert. E.
- Publisher
- Hamlyn
- Year
- 1981
- ISBN
- 0-600-37216-2
- Description
- Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
]. Applied externally, it has a long-standing reputation as an effective hair tonic, helping to promote the growth of thick hair[
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.
]. A poultice of the leaves is said to be an effective treatment for healing glandular tumours or lymphatic swellings[
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.
]. Some caution is advised, excessive use of the plant can lead to stomach upsets[
9- Title
- Edible and Medicinal Plants.
- Publication
-
- Author
- Launert. E.
- Publisher
- Hamlyn
- Year
- 1981
- ISBN
- 0-600-37216-2
- Description
- Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
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.
]. The leaves can be harvested almost throughout the year and are used fresh[
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.
].
Other Uses
The juice of the plant is a nicotine solvent and is used as such on strong tobaccos[
7- Title
- Encyclopaedia of Medicinal Plants.
- Publication
-
- Author
- Chiej. R.
- Publisher
- MacDonald
- Year
- 1984
- ISBN
- 0-356-10541-5
- Description
- Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
].
Propagation
Cuttings can be taken at any time in the growing season. Virtually any part of the plant, including a single leaf, will form roots if detached from the parent plant[
56- Title
- Complete Guide to Water Plants.
- Publication
-
- Author
- Muhlberg. H.
- Publisher
- E. P. Publishing Ltd.
- Year
- 1982
- ISBN
- 0-7158-0789-7
- Description
- Deals with a wide range of plants for temperate areas (and indoor aquaria) with quite a lot of information on cultivation techniques.
]. Just put it in a container of water until the roots are well formed and then plant out in shallow water.