Anthemis arvensis

 

Botanical Name : Anthemis arvensis
Family: Asteraceae
Tribe: Anthemideae
Genus: Anthemis
Species: A. arvensis
Kingdom: Plantae
Order: Asterales

Common Name : Corn Chamomile

Habitat : Anthemis arvensis is native to most of Europe, including Britain, south and east to N. Africa and W. Asia. It is a locally common calcicolous plant of arable land and waste places throughout Britain.

Description:
Anthemis arvensis is a annual plant , growing to 0.4 m (1ft 4in) by 0.3 m (1ft).
It is not frost tender. It is in flower from Jun to July, and the seeds ripen from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Flies, beetles, self.The plant is self-fertile.
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Stems – Herbaceous, erect to ascending, from fibrous roots, multiple from the base, branching, arachnoid pubescent (less so near base), carinate at apex, green to red in strong sun.

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Leaves Alternate, pinnately divided. Divisions of leaf pinnatifid. Ultimate leaf divisions acute, minutely mucronate. Leaves to 5cm long, 2cm broad, sparse pubescent and punctate (use lens) adaxially, arachnoid pubescent below. Petiole with fimbriate divisions.

Inflorescence – Single pedunculate flower clusters terminating stems.

Involucre – 1.2cm in diameter, 4-5mm tall. Phyllaries in one or two series, slightly imbricated, to 5mm long, 2mm broad, scarious, with a green midvein, arachnoid pubescent externally, glabrous internally.
Ray flowers – Pistillate, fertile, +/-15 per head. Ligule white, -1.5cm long, 5-6mm broad, glabrous, 2-3-notched at apex, oblong. Corolla tube to 2mm long, greenish. Style bifurcate, exserted. Achene 1.5mm long in flower, light green, glabrous, truncate at base. Pappus none.

Disk flowers – Disk to 1.2cm broad, becoming globose with age. Corolla -3mm long, translucent at base, becoming yellow at apex, 5-lobed, expanded in apical 1/2. Lobes acute, to .6mm long, recurved. Stamens 5, adnate at base of corolla tube constriction. Filaments very short. Anthers yellow, included, 1.1mm long, connate around style. Style barely exserted beyond anthers, translucent-yellow. Stigmatic portion of style .5mm long. Achene translucent in flower, 1.3mm long, glabrous. Pappus none. Receptacle conic. Chaff thin, translucent, 3mm long, .4mm broad, slightly folded, glabrous, acuminate, linear.

Cultivation:
Prefers a sunny position and a well-drained soil that is neutral to slightly acid. Succeeds in heavy clay soils.

Propagation:
Seed – best sown outdoors as soon as it is ripe. Most of the seed germinates in the autumn.

Medicinal Uses:
This species is considered to be one of the best febrifuge species indigenous to France. The flowers and leaves are used. Employed in fevers, colds, and to produce perspiration.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.
Resources:
https://en.wikipedia.org/wiki/Anthemis_arvensis
http://www.herbnet.com/Herb%20Uses_C.htm
http://missouriplants.com/Whitealt/Anthemis_arvensis_page.html
http://www.pfaf.org/user/Plant.aspx?LatinName=Anthemis+arvensis

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