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Melilotus officinalis - Lam.                
                 
Common Name Melilot
Family Fabaceae or Leguminosae
Synonyms M. arvensis.
Known Hazards The dried leaves can be toxic. though the fresh leaves are quite safe to use. This is possibly due to the presence of coumarin, the substance that gives some dried plants the smell of new mown hay, if taken internally it can prevent the blood clotting.
Habitats Grassy fields and roadsides, avoiding acid soils[17].
Range Europe to E. Asia. Naturalized in Britain.
Edibility Rating  
Medicinal Rating  
Care
Well drained soil Moist Soil Full sun

Summary       

Physical Characteristics       
 icon of manicon of flower
Melilotus officinalis is a ANNUAL/BIENNIAL growing to 1.2 m (4ft) by 0.7 m (2ft 4in).
It is not frost tender. It is in flower from Jul to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.It can fix Nitrogen.


Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable pH: neutral and basic (alkaline) soils and can grow in saline soils.
It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought.

Melilotus officinalis Melilot


Melilotus officinalis Melilot
http://commons.wikimedia.org/wiki/User:Rasbak
   
Habitats       
 Cultivated Beds;
Edible Uses                                         
Edible Parts: Flowers;  Leaves;  Root;  Seedpod.
Edible Uses: Condiment.

Root[46, 105, 172]. Consumed as a food by the Kalmuks[183]. Young shoots - cooked. Used like asparagus[183]. Young leaves are eaten in salads[13]. The leaves and seedpods are cooked as a vegetable[8, 55, 172]. They are used as a flavouring[46]. Only fresh leaves should be used, see the notes above on toxicity[62]. The crushed dried leaves can be used as a vanilla flavouring in puddings, pastries etc[177, 183, 238]. Caution is advised, see the notes above on toxicity. Flowers - raw or cooked[172]. The flowers and seeds are used as a flavouring[2]. The flowers also give an aromatic quality to some tisanes[7].
Medicinal Uses


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Antispasmodic;  Aromatic;  Carminative;  Diuretic;  Emollient;  Expectorant;  Ophthalmic;  Vulnerary.

Melilot, used either externally or internally, can help treat varicose veins and haemorrhoids though it requires a long-term treatment for the effect to be realised[254]. Use of the plant also helps to reduce the risk of phlebitis and thrombosis[254]. Melilot contains coumarins and, as the plant dries or spoils, these become converted to dicoumarol, a powerful anticoagulant[254]. Thus the plant should be used with some caution, it should not be prescribed to patients with a history of poor blood clotting or who are taking warfarin medication[238]. See also the notes above on toxicity[21]. The flowering plant is antispasmodic, aromatic, carminative, diuretic, emollient, mildly expectorant, mildly sedative and vulnerary[4, 7, 9, 13, 21, 238, 240]. An infusion is used in the treatment of sleeplessness, nervous tension, neuralgia, palpitations, varicose veins, painful congestive menstruation, in the prevention of thrombosis, flatulence and intestinal disorders[7, 238]. Externally, it is used to treat eye inflammations, rheumatic pains, swollen joints, severe bruising, boils and erysipelas, whilst a decoction is added to the bath-water[9, 238]. The flowering plant is harvested in the summer and can be dried for later use[7]. A distilled water obtained from the flowering tops is an effective treatment for conjunctivitis[7].
Other Uses
Green manure;  Repellent.

The leaves contain coumarin and they release the pleasant smell of newly mown hay when they are drying[238]. The leaves are dried and used as an insect repellent[169, 172], especially in order to repel moths from clothing[13, 100, 238]. They can be put in pillows, mattresses etc[178]. Poorly dried or fermented leaves produce a substance called dicoumarol. This is a potent anti-coagulant which is extremely poisonous in excess, it prevents the blood from coagulating and so it is possible to bleed to death from very small wounds. Dicoumarol is used in rat poisons[238]. The plant can be used as a green manure, enriching the soil with nitrogen as well a providing organic matter[238].
Cultivation details                                         
Prefers a well-drained to dry neutral to alkaline soil in a sunny position[238]. Prefers a clay or a saline soil[13]. Dislikes shade. Established plants are drought tolerant[238]. The flowers are rich in pollen making this a good bee plant[4, 7, 8, 13]. If they are cut back before flowering, the plants will grow on for at least another year before dying[115]. The dried plant has a sweet aromatic fragrance like newly mown hay[245]. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[200].
                                                                                 
Propagation                                         
Seed - sow spring to mid-summer in situ[87]. Pre-soaking the seed for 12 hours in warm water will speed up the germination process, particularly in dry weather[K]. Germination will usually take place within 2 weeks.
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Expert comment                                         
 
      
Author                                         
Lam.
                                                                                 
Botanical References                                         
17
                                                                                 
Links / References                                         

  [K] Ken Fern Notes from observations, tasting etc at Plants For A Future and on field trips.

[2]Hedrick. U. P. Sturtevant's Edible Plants of the World.
Lots of entries, quite a lot of information in most entries and references.
[4]Grieve. A Modern Herbal.
Not so modern (1930's?) but lots of information, mainly temperate plants.
[7]Chiej. R. Encyclopaedia of Medicinal Plants.
Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
[8]Ceres. Free for All.
Edible wild plants in Britain. Small booklet, nothing special.
[9]Launert. E. Edible and Medicinal Plants.
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
[13]Triska. Dr. Hamlyn Encyclopaedia of Plants.
Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
[17]Clapham, Tootin and Warburg. Flora of the British Isles.
A very comprehensive flora, the standard reference book but it has no pictures.
[21]Lust. J. The Herb Book.
Lots of information tightly crammed into a fairly small book.
[46]Uphof. J. C. Th. Dictionary of Economic Plants.
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.
[55]Harris. B. C. Eat the Weeds.
Interesting reading.
[62]Elias. T. and Dykeman. P. A Field Guide to N. American Edible Wild Plants.
Very readable.
[87]Woodward. L. Burge. P. Green Manures.
Green manure crops for temperate areas. Quite a lot of information on a number of species.
[100]Polunin. O. Flowers of Europe - A Field Guide.
An excellent and well illustrated pocket guide for those with very large pockets. Also gives some details on plant uses.
[105]Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World.
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
[115]Johnson. C. P. The Useful Plants of Great Britain.
Written about a hundred years ago, but still a very good guide to the useful plants of Britain.
[169]Buchanan. R. A Weavers Garden.
Covers all aspects of growing your own clothes, from fibre plants to dyes.
[172]Schofield. J. J. Discovering Wild Plants - Alaska, W. Canada and the Northwest.
A nice guide to some useful plants in that area.
[177]Kunkel. G. Plants for Human Consumption.
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
[178]Stuart. Rev. G. A. Chinese Materia Medica.
A translation of an ancient Chinese herbal. Fascinating.
[183]Facciola. S. Cornucopia - A Source Book of Edible Plants.
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.
[200]Huxley. A. The New RHS Dictionary of Gardening. 1992.
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[238]Bown. D. Encyclopaedia of Herbs and their Uses.
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.
[240]Chopra. R. N., Nayar. S. L. and Chopra. I. C. Glossary of Indian Medicinal Plants (Including the Supplement).
Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
[245]Genders. R. Scented Flora of the World.
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
[254]Chevallier. A. The Encyclopedia of Medicinal Plants
An excellent guide to over 500 of the more well known medicinal herbs from around the world.

Readers comment                                         
 
Elizabeth H.
Mon Aug 7 2006
It is not coumarin but dicoumarin, which is produced when a mould breaks down coumarin, that is the danger. careful dryig and storage should prevent this.
Elizabeth H.
Neuza Ap.Menzato Sun May 4 2008
Gostaria de saber o nome popular desta planta ?
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