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Matthiola incana (L.) W.T.Aiton - syn. Cheiranthus incanus L. - Brassicaceae \\
common stock, Brompton stock, tenweeks stock, hoary stock, gilly-flower, **(Garten-) Levkoje**

Annual or biennial to perennial herb, up to 80cm tall, native to the Mediterranean, naturalized and cultivated elsewhere; leaves oblanceolate, entire;, up to 16 cmlong; racemes 15-30-flowered, up to 30 cm long in fruit, flowers 2-4cm across, mauve or violet, fragrant in the evening (as also [[matthiola_longipetala_vent._dc|Matthiola longipetala]]); fruit (siliquae) 10-15cm long, 2.5-4mm broad; seeds 2mm in dia., brown, winged. \\
[[http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200009612]]

"The double-flowered form is caused by a recessive gene variant (allele) in the homozygous condition. Therefore,... heterozygous single-flowered stocks should produce one quarter doubles in their offspring... Selection over the centuries has greatly improved these ratios, resulting in the so-called "ever-sporting" stock... In these varieties, the singleness allele is closely linked to a pollen-lethal gene... many modern strains produce doubles in even higher proportions: 60% or even 80%." \\
[[http://en.wikipedia.org/wiki/Matthiola_incana]]

The flowers emit a pleasant floral, clove-like odor which is attributed to constituents like 2-phenylethanol, anol (4-propenylphenol), eugenol, methyl eugenol, isoeugenol, and related compounds. Vaccum headspace concentrates contain nitriles and isothiocyanates as artifacts. \\
[Surburg et al., Volatile compounds from Flowers, in: Teranishi, R.;Buttery, R. G.;Sugisawa, H. Bioactive volatile compounds from plants. (Book) 1993, 176]

From the volatile compounds isolated from M.incana flower oil (SDE), the main ones were β-pinene(13.2%), 3-carene(10.1%),(-)-isoledene(4.8%), β-bourbonene (4.5%), spathulenol (3.3%) and β-cadinene(3.2%). \\
[Analysis of chemical composition of volatile oil from flowers of Matthiola incana L. and its evaluation for cigarette flavoring., Gao, Ze-rui, et al.,  Chemical Research and Application Vol.6, 2013, 30] 

The flower extract (n-hexan) consisted mainly of fatty acids (tetradecanoic acid 18%, hexadecanoic acid 12%) and alkanes (C14-C20). Monoterpenes detected were limonene, α-terpineol, geraniol, sabinene, and myrcene. \\
[Evaluation of antioxidant activity, cytotoxic studies and GC-MS profiling of matthiola incana (stock flower)., Rasool, Nasir, et al., Legume Research-An International Journal Vol.36(1), 2013, 21-32]

Headspace analysis (SPME; GC-MS DB-wax) of the flowers showed eugenol (33.71%), methyleugenol (23.07%), limonene (11.34%), anethol (8.03%), phenylethanol (4.02%), phenylacetaldehyde (1.34%), isoeugenol (0.89%), benzyl acetate (0.63%), methyl salicylate (0.18%), and anisaldehyde (0.09%) as main components. \\
[Kang S, Yun BI, European patent EP 3 446 676 A1 (2019)] [[https://data.epo.org/publication-server/document?iDocId=5857242&iFormat=0|European publication server EP3446676]]

{{:levcojum_incanum.jpg?600}} \\
Weinmann,J.W., Phytanthoza iconographia, Vol.3, t.643, (1742) \\
[[http://plantgenera.org/species.php?id_species=647954]]


{{http://www.botanische-spaziergaenge.at/Bilder/Lumix_91/P1420240.JPG}} \\
Matthiola incana \\ © Rolf Marschner (2017),  
[[http://botanische-spaziergaenge.at/viewtopic.php?f=50&t=4749| www.botanische-spaziergaenge.at]]
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