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Anthemis arvensis L.
3123 (10) A. arvensis L., Sp. Pl. ed. 1 (1753) 894; Griseb., Spicil. Fl. Rumel. 2 (1846) 206; DC., Prodr. 6 (1838) 6; Boiss., Fl. Or. 3 (1875) 301; Hayek, Prodr. Fl. Penins. Balc. 2 (1931) 627; Grierson & Yavin, Fl. Turkey 5 (1975) 198; R.R. Fernandes, Fl. Eur. 4 (1976) 153 - Полско подрумиче

Fam: Asteraceae (Compositae)
Genus: Anthemis L.
Species: Anthemis arvensis L.
English Name: Corn chamomile, Mayweed, Scentless chamomile, or Field chamomile

Description:

Annual to biennial (perennial plants). The root is spindle-shaped, semi-woody at the upper part, with lateral branches. Stems single, branched from the base, often lateral branches exceeding the main stem, (5) 20 - 40 (80) cm high, yellow-green, finely longitudinally ribbed, leafy in the lower half, or in the lower 2/3, scattered to densely adherent to or spreading fibers. Leaves simply double to triple feathery-like, sessile, densely to sparsely just fibrous, sessile; shares linearly-lance, up to 0.5 mm wide, pointed, entire or divided. Baskets hemispherical, 7 - 10 mm in diameter, single at the tops of the twigs, on long petioles under the baskets when the fruit ripens most often thickened. The shell at the base is slightly arched; sheath leaves yellow-green, slightly keeled, pointed to obtuse, simply fibrous; outer ovate-triangular, middle and inner – oblong shovel-like or oblong-ovate, membranous at the apex, ciliated. The lingual blossoms are white; tongues 7 - 10 mm long; tubular numerous, yellow. The blossom bed is conical. Bracts elliptically lance, awn-like pointed, keeled, longer than the tubular flowers. Fruit seeds inverted pyramidal, in cross section quadrangular to hexagonal or almost round, 1.8 - 2 mm long, with (6) 9 - 10 (11) wide rounded ribs, with narrow grooves between them, clearly widened at the top - forming a wide wreath or low-pitched crown 0.2 - 0.3 mm high.

Note. There is variability in leaf dismemberment, stem branching and the degree of thickening of the basket petioles from non-thickened or indistinctly thickened to clearly thickened during fruit ripening, which are separated by some authors as subsp. incrassata (Lois.) Nyman (see Thin, 1981).

From:   „Флора на Република България”, том XI, БАН, Академично издателство „Проф. Марин Дринов”, София, (2013)

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Anthemis arvensis, also known as corn chamomile, mayweed, scentless chamomile,[5] or field chamomile[6][7] is a species of flowering plant the genus Anthemis, in the aster family. It is used as an ornamental plant.

Distribution

Palearctic
Macaronesia: Azores, Canary Islands
Northern Africa: Algeria, Tunisia
Western Asia: Sinai, Iran, Iraq, Saudi Arabia, Turkey
Caucasus: Georgia, North Caucasus
Northern Europe: Denmark, Finland, Ireland, Norway, Sweden, United Kingdom
Central Europe: Austria, Belgium, Czech Republic, Slovakia, Germany, Hungary, Netherlands, Poland, Switzerland
East Europe: Belarus, Moldova, Ukraine, Crimea
Southeastern Europe: Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Crete, Italy, Republic of Macedonia, Montenegro, Romania, Sardinia, Serbia, Sicily, Slovenia
Southwestern Europe: France Corsica, Portugal, Spain, Balearic Islands
Introduced
Widely naturalized in North and South America, Africa, Australia, New Zealand, and parts of Asia.[8][9][10][11][12][13]

Subspecies

Subspecies accepted by the Plant List maintained by Kew Gardens in London[2]

Anthemis arvensis subsp. arvensis

Anthemis arvensis subsp. cyllenea (Halácsy) R.Fern.

Anthemis arvensis subsp. incrassata (Loisel.) Nyman

Anthemis arvensis subsp. sphacelata (C.Presl) R.Fern.

From Wikipedia, the free encyclopedia

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Flowering Time: Blooms V - IX, Fruitful: VI - IX

Distribution in Bulgaria: Growing in grassy, sandy and stony places, such as stormy roads and villages, weeds in fields, vineyards and gardens, in the plains and mountains. Widespread, from sea level to 1200 m altitude. (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.

Distribution: Europe (probably moved to Northern and Central Europe), Southwest Asia. Introduced to North and South America, Australia and New Zealand.

Conservation status and threats: not protected species in Bulgaria by the Biodiversity Law. - Biological Diversity Act - http://eea.government.bg/bg/legislation/biodiversity/zbran_22.08.15.pdf

Medical plant: it is not - Medicinal Plants Act - http://eea.government.bg/bg/legislation/biodiversity/ZLR_en.pdf

References:

1. 2. 3.

E-mail: krnanev@gmail.com

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