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Corn Marigold, Chrysanthemum segetum Loading image. Please wait
Corn Marigold (Chrysanthemum segetum) :: Horton :: 2008/04/28 :: © A.Papadopoulos
Corn Marigold (Chrysanthemum segetum) :: Horton :: 2008/04/28 :: © A.Papadopoulos
Corn Marigold (Chrysanthemum segetum) :: Horton :: 2008/04/28 :: © A.Papadopoulos
Corn Marigold (Chrysanthemum segetum) :: Horton :: 2008/04/28 :: © A.Papadopoulos
Corn Marigold (Chrysanthemum segetum) :: Horton :: 2008/04/28 :: © A.Papadopoulos
Corn Marigold (Chrysanthemum segetum) :: Horton :: 2008/04/28 :: © A.Papadopoulos





Corn Marigold


Chrysanthemum segetum

The Corn Marigold is a short to tall, greyish, hairless, somewhat fleshy annual, with erect to ascending stems. Its leaves are oblong, deeply and sharply toothed, though the uppermost ones are, quite frequently, entirely untoothed. The flower heads are yellow, daisy-like, 35 to 55mm (1 2/5 – 2 1/5 in), with strap-shaped rays and a flat disc.

It is interesting to note that, as stated by "Natural England", the Corn Marigold is closely associated with man's farming activities. It has been growing in cornfields from the Iron Age to the present day and was once so common and damaging to crops that its destruction, in the U.K., was dictated, by royal decree.

According to "Plants for a Future", the Corn Marigold may contain coumarin. This is a chemical compound/poison, with a sweet smell, readily recognised as the scent of newly mown hay. It has clinical value as the precursor for several anticoagulants, notably warfarin. Therefore, if this were true, it would be unwise to eat the leaves, especially if they are dried, since coumarin can prevent the blood from coagulating, when there is a cut.

The same source also states, that young shoots may be eaten cooked. They are, however, strongly aromatic, since they contain coumarin. Thus, extreme caution is advised, because of the possible side effects, noted above.

"Dr. Duke's Phytochemical and Ethnobotanical Databases" maintain that the plant is antiseptic, i diuretic, i stomachic and i vermifuge.

Finally, the "HYpermedia for Plant Protection" site states that the species is protected in Limousin, France, by decree (1989/09/01).

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Fact Sheet

Type of plant
Short to tall, greyish, hairless, somewhat fleshy annual.

Flowering Season
February - June.

Known Hazards
May contain coumarin, a chemical found in many plants, which prevents the blood from clotting.

Known Uses
Leaves may be edible when cooked, however extreme caution is advised, because of the plant's potential toxicity. Also has diuretic, stomachic and vermifuge properties. "Plants for a Future" rate it 1 out of 5 for edibility and 0 out of 5 for medicinal uses (min. 0, max. 5).

Habitat
Cultivated and fallow ground, disturbed places, roadsides, banks, open i garrigue and seashores.

Distribution
Throughout the Mediterranean region, however it is probably only native in Asia Minor.

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Taxonomy


Kingdom: Plantae (Plants); Subkingdom: Tracheobionta (Vascular plants); Superdivision: Spermatophyta (Seed plants); Division: Magnoliophyta (Flowering plants); Class: Magnoliopsida (Dicotyledons); Subclass: Asteridae; Order: Asterales; Family: Compositae or Asteraceae (Daisy or Sunflower family); Genus: Chrysanthemum; Species: segetum

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Acknowledgments


The following sources have been used in preparing this page:

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