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Lily of the valley
Species of flowering plant in the family Asparagaceae From Wikipedia, the free encyclopedia
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Lily-of-the-valley (Convallaria majalis),[2][3] also written lily of the valley,[1] is a woodland flowering plant with sweetly scented, pendent, bell-shaped white flowers borne in sprays in spring. It is native in Europe and western and northern Asia.[4]
The former varieties Convallaria majalis var. montana (native to eastern North America) and Convallaria majalis var. keiskei (native to eastern Asia), are now split as the separate species Convallaria pseudomajalis,[5] and Convallaria keiskei,[6] respectively.
Due to the concentration of cardiac glycosides (cardenolides), it is highly poisonous if consumed by humans or other animals.[7][8]
Other names include May bells, Our Lady's tears, and Mary's tears. Its French name, muguet, sometimes appears in the names of perfumes imitating the flower's scent. In pre-modern England, the plant was known as glovewort (as it was a wort used to create a salve for sore hands), or Apollinaris (according to a legend that it was discovered by Apollo).[9]
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Description
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Convallaria majalis is a herbaceous perennial plant that often forms extensive colonies by spreading underground stems called rhizomes. New upright shoots are formed at the ends of stolons in summer.[10] These grow in the spring into new leafy shoots that still remain connected to the other shoots under ground. The stems grow to 15–35 cm (6–14 in) tall, with two (rarely three) leaves 5–20 cm (2–8 in) long and 3–7 cm (1–3 in) broad.[3][11] The flowering stems have a one-sided raceme of six to twelve pendulous flowers on the upper part of the stem.[3]
The flowers have six white tepals (rarely pink), fused at the base to form a bell shape and with reflexed tips, 5–10 mm (0.2–0.4 in) diameter, and are sweetly scented; flowering is in late spring, typically May to June in Britain;[3][11] in mild winters in the Northern Hemisphere it can be as early as March.[citation needed] The fruit is a small orange-red berry 5–7 mm (0.2–0.3 in) diameter that contains an average of 3.9[12] large whitish to brownish seeds that dry to a clear translucent round bead 1–3 mm (0.04–0.12 in) wide. The fruit persists for an average of 47.5 days. The fruit averages 85.8% water, and their dry weight includes 14.6% carbohydrates and 1.3% lipids.[12] Plants are self-incompatible, and colonies consisting of a single clone do not set seed.
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Taxonomy
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In the APG III system, the genus is placed in the family Asparagaceae, subfamily Convallarioideae (formerly the family Ruscaceae[13]). It was formerly placed in its own family Convallariaceae, and, like many lilioid monocots, before that in the lily family Liliaceae.
In the past, it was widely treated in three varieties,[10][14] but these are now separated out as distinct species.[15]
- Convallaria majalis var. majalis, from Europe and western Asia, with white midribs on the flowers — now Convallaria majalis sensu stricto[4]
- Convallaria majalis var. keiskei, from China and Japan, with red fruit and bowl-shaped flowers — now Convallaria keiskei[6][16][17]
- Convallaria majalis var. montana – from the southern Appalachian Mountains, with green-tinted midribs on the flowers[18][14] — now Convallaria pseudomajalis[5]
C. transcaucasica is recognised as a distinct species, subspecies, or variety of C. majalis by some authorities, but is not generally accepted as distinct.[4] The species formerly called Convallaria japonica is now classified as Ophiopogon japonicus.[17]
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Distribution
Convallaria majalis is a native of Europe, where it largely avoids the Mediterranean margin,[19] and is also absent from Ireland as a native species, though is naturalised there.[2]
Like many perennial flowering plants, C. majalis exhibits dual reproductive modes by producing offspring asexually by vegetative means and sexually by seed, produced via the fusion of gametes.[20]
Ecology
Convallaria majalis is a plant of partial shade, and a mesophile type that prefers warm summers. It grows widely in both acidic soils and alkaline soils, liking soils that are silty or sandy, but also locally in wet fen soils,[2][21] with preferably a plentiful amount of humus. It is a Euroasiatic and suboceanic species that occurs from sea level up to 490 m (1,600 ft) altitude in Great Britain,[2] and in central and southern Europe up to 2,300 m (7,500 ft) altitude.[11][22]
Convallaria majalis is used as a food plant by the larvae of some moth and butterfly (Lepidoptera) species including the grey chi. Adults and larvae of the leaf beetle Lilioceris merdigera are also able to tolerate the cardenolides and thus feed on the leaves.[23]
The fruit is sometimes removed by graniviorous rodents, consuming most of the seeds but only a small proportion of the fruit pulp. Their hoarding of both seeds and whole fruit has been observed. As some seeds inevitably escape predation, they also act as seed dispersers.[24]
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Cultivars
Convallaria majalis is widely grown in gardens for its scented flowers and ground-covering abilities in shady locations. It has gained the Royal Horticultural Society's Award of Garden Merit.[25][26] In favourable conditions it can form large colonies.
Various kinds and cultivars are grown, including those with double flowers, rose-coloured flowers, variegated foliage and ones that grow larger than the typical species.[17]
- C. majalis 'Albostriata' has white-striped leaves
- C. majalis 'Green Tapestry', 'Haldon Grange', 'Hardwick Hall', 'Hofheim', 'Marcel', 'Variegata' and 'Vic Pawlowski's Gold' are other variegated cultivars[17]
- C. majalis 'Berlin Giant' and C. majalis 'Géant de Fortin' (syn. 'Fortin's Giant') are larger-growing cultivars[17]
- C. majalis 'Flore Pleno' has double flowers.[17]
- C. majalis 'Rosea' sometimes found under the name C. majalis var. rosea, has pink flowers.[17]
A variegated cultivar early in spring
Double-flowered 'Flore Pleno'
'Rosea'
Traditionally, Convallaria majalis has been grown in pots and winter forced to provide flowers during the winter months, both in potted plants and as cut flowers.[27]
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Chemistry
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Roughly 38 different cardiac glycosides (cardenolides) – which are highly toxic if consumed by humans or animals – occur in the plant, including:[7][8][28]
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The scent of lily of the valley, specifically the ligand bourgeonal, was once thought to attract mammalian sperm.[29] The 2003 discovery of this phenomenon prompted research into odour reception,[30] but a 2012 study demonstrated instead that at high concentrations, bourgeonal imitated the role of progesterone in stimulating sperm to swim (chemotaxis), a process unrelated to odour reception.[31]
Toxicology
All parts of the plant are potentially poisonous, including the red berries which may be attractive to children.[7][8][32] If ingested, the plant can cause abdominal pain, nausea, vomiting, and irregular heartbeats.[28]
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Uses
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Perfume
In 1956, the French firm Dior produced a fragrance simulating lily-of-the-valley, which was Christian Dior's favourite flower. Diorissimo was designed by Edmond Roudnitska.[33] Although it has since been reformulated, it is considered a classic.[33][34] Because no natural aromatic extract can be produced from lily of the valley, its scent must be recreated synthetically; while Diorissimo originally achieved this with hydroxycitronellal, the European Chemicals Agency now considers it a skin sensitizer and its use has been restricted.[35][36]
Other perfumes imitating or based on the flower include Henri Robert's Muguet de Bois (1936),[37] Penhaligon's Lily of the Valley (1976),[33] and Olivia Giacobetti's En Passant (2000).[33]
Weddings and other celebrations
Lily of the valley has been used in weddings[38] and off-season can be very expensive.[39] Lily of the valley was featured in the bridal bouquet at the wedding of Prince William and Catherine Middleton.[39][40] Lily of the valley was also the flower chosen by Princess Grace of Monaco to be featured in her bridal bouquet.[citation needed]
At the beginning of the 20th century, it became tradition in France to sell lily of the valley on international Labour Day, 1 May (also called La Fête du Muguet or Lily of the Valley Day) by labour organisations and private persons without paying sales tax (on that day only) as a symbol of spring.[41]
Lily of the valley is worn in Helston (Cornwall, UK) on Flora Day (8 May each year, see Furry Dance) representing the coming of "the May-o" and the summer. There is also a song sung in pubs around Cornwall (and on Flora Day in Cadgwith, near Helston) called "Lily of the Valley"; the song, strangely, came from the Jubilee Singers from Fisk University in Nashville, Tennessee.[42]
Folk medicine
The plant has been used in folk medicine for centuries.[43] There is a reference to "Lilly of the valley water" in Robert Louis Stevenson's 1886 novel Kidnapped, where it is said to be "good against the Gout", and that it "comforts the heart and strengthens the memory" and "restores speech to those that have the dumb palsey".[44] There is no scientific evidence that lily of the valley has any effective medicinal uses for treating human diseases.[7][28]
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Cultural symbolism
The lily of the valley was the national flower of Yugoslavia,[45] and it also became the national flower of Finland in 1967.[46]
In the "language of flowers", the lily of the valley signifies the return of happiness.[38]
Myths and religion
The name "lily of the valley", like its correspondences in some other European languages, is apparently a reference to the phrase "lily of the valleys" (sometimes also translated as "lily of the valley") in Song of Songs 2:1 (שׁוֹשַׁנַּת הָעֲמָקִים).[47] European herbalists' use of the phrase to refer to a specific plant species seems to have appeared relatively late in the 16th[48] or 15th century.[49] The Neo-Latin term convallaria (coined by Carl Linnaeus) and, for example, the Swedish name liljekonvalj derives from the corresponding phrase lilium convallium in the Vulgate.
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In culture
- The flower is the theme of a poem by Paul Laurence Dunbar.[50]
- Tchaikovsky wrote the poem "Lilies of the Valley" (Ландыши) in December 1878 while in Florence.[51]
- In Anton Chekhov's 1898 short story "A Doctor's Visit", drops of convallaria are mentioned as medicine.
- "Lilies-of-the-Valley" is a 1916 Marc Chagall painting,[52]
- The eponymous song by English rock band Queen.
- "Face Off", the finale of the fourth season of the television series Breaking Bad, includes lily of the valley's use as a poison.[53]
- In the third episode of Outlander, children are revealed to have been dying after confusing Lily of the Valley for garlic and eating it.
- In 2022, lily of the valley, reputedly Queen Elizabeth II's favourite flower, was the theme of the poem "Floral Tribute" by the Poet Laureate Simon Armitage, written in memory of the Queen and published in the week after her death.[54]
Gallery
Convallaria close-up
Convallarias in Kemi in early June
Moldovan stamp
Finnish 10 penny coin with the Convallaria engraving
1 May, by Franz Xaver Winterhalter
Lunner (Norway) municipal coat of arms
See also
References
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External links
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