Sweden flowers: Pineappleweed

Chamomilla suaveolens, Matricaria matricarioides, Matricaria discoidea,
Matricaria suaveolens, SE: Gatkamomill, Gatkamill, DE: Strahlenlose Kamille,
NL: Schijfkamille, UK: Pineappleweed, Wild chamomile, Disc mayweed


Scientific name:		Chamomilla suaveolens (Pursh) Rydb
Synonym name:		Matricaria matricarioides Porter ex Britton, Matricaria discoidea DC., Matricaria suaveolens (Pursh) Buchenau
Swedish name:		Gatkamomill, Gatkamill
German name:		Strahlenlose Kamille
Nederlandse naam:		Schijfkamille
English name:		Pineappleweed, Wild chamomile, Disc mayweed
Plant Family:		Asteraceae, Sunflower family, Korgblommiga växter


Life form:		Annual herb
Stems:		Height 5–30 cm, erect, multibranched, hairless, glabrous or glabrate to sparsely hairy.
Leaves:		Pinnately dissected, sweet-scented when crushed
Flowers:		Cone-shaped flower head, composed of dense-packed yellowish-green corollas, lacking ray-florets (no petals).
Flowering Period:		June, July, August, September
Flowering Period:		Cypsela, pale brown, 1.2–1.5 mm long, 3–4-ridged, crowned by a pale membranous ring
Habitat:		Moist waste places, cultivated soils, riverbanks

Derivation of the botanical name: br>Chamomilla, Greek χαμαίμηλον, chamaimēlon, "earth-apple"; χαμαί chamai, "on the ground"; μήλον mēlon, "apple", referring to the smell of the blossoms.
suaveolens, sweet-scented.
Matricaria, Latin matrix, "the womb," the plant once having been used as a cure for female disorders.
matricarioides, like genus Matricaria.
discoidea, δισκοϛ discus, a "quoit, discus," -οειδηοϛ oideus adjective suffix for nouns: like, resemble; disc like.

The standard author abbreviation Pursh is used to indicate Frederick Traugott Pursh (1774 – 1820), a German-American botanist.
The standard author abbreviation Rydb is used to indicate Per Axel Rydberg (1860 – 1931), a Swedish-born, American botanist who was the first curator of the New York Botanical Garden Herbarium.
The standard author abbreviation Porter is used to indicate Thomas Conrad Porter (1822 – 1901), an American botanist, theologian, educator, and poet.
The standard author abbreviation Britton is used to indicate Nathaniel Lord Britton (1859 – 1934), an American botanist and taxonomist who founded the New York Botanical Garden in the Bronx, New York.
The standard author abbreviation DC. is used to indicate Augustin Pyramus de Candolle (1778 – 1841), a Swiss botanist.
The standard author abbreviation Buchenau is used to indicate Franz Georg Philipp Buchenau (1831 – 1906), a German botanist and phytogeographer.