golden chamomile
(Cota tinctoria )
This species is Introduced in the United States
Origin
Native to Europe, the Mediterranean and Western Asia.
Appearance
Cota tinctoria is an herbaceous perennial plant in the sunflower family. It grows from 1-3′ (0.3-0.9 m) tall. Stems are terete (round) and gray-green covered with short fine hairs.
Foliage
Lanceolate to ovate leaves are alternate and gray-green in color. Leaves are deeply pinnatifid (deeply lobed twice), have short fine hairs, and are fragrant when crushed.
Flowers
Flowers are about 2″ (5 cm) across with 20-30 yellow ray florets and golden disk florets. Ray florets have 2-3 blunt teeth. The peduncles (flower stalks) are somewhat long and unbranched.
Fruit
Fruits are four-sided achenes (one seed attached to the fruit, like a sunflower seed).
Ecological Threat
C. tinctoria can invade habitats such as roadsides, abandoned fields, weedy meadows, and open woodlands.
http://www.missouriplants.com/Yellowalt/Cota_tinctoria_ssp_subtinctoria_page.html
https://www.illinoiswildflowers.info/weeds/plants/yl_chamomile.html
Native to Europe, the Mediterranean and Western Asia.
Appearance
Cota tinctoria is an herbaceous perennial plant in the sunflower family. It grows from 1-3′ (0.3-0.9 m) tall. Stems are terete (round) and gray-green covered with short fine hairs.
Foliage
Lanceolate to ovate leaves are alternate and gray-green in color. Leaves are deeply pinnatifid (deeply lobed twice), have short fine hairs, and are fragrant when crushed.
Flowers
Flowers are about 2″ (5 cm) across with 20-30 yellow ray florets and golden disk florets. Ray florets have 2-3 blunt teeth. The peduncles (flower stalks) are somewhat long and unbranched.
Fruit
Fruits are four-sided achenes (one seed attached to the fruit, like a sunflower seed).
Ecological Threat
C. tinctoria can invade habitats such as roadsides, abandoned fields, weedy meadows, and open woodlands.
http://www.missouriplants.com/Yellowalt/Cota_tinctoria_ssp_subtinctoria_page.html
https://www.illinoiswildflowers.info/weeds/plants/yl_chamomile.html
Selected Images
Maps
EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
Taxonomic Rank
Domain: Eukarya |
Kingdom: Plantae |
Phylum: Magnoliophyta |
Class: Magnoliopsida |
Superorder: Asteranae |
Order: Asterales |
Family: Asteraceae |
Subfamily: Asteroideae |
Tribe: Anthemideae |
Genus: Cota |
Cota tinctoria |
Synonyms and Other Names
Other Common Names:
golden chamomile
Related Scientific Names:
Anthemis tinctoria L. (Synonym)
References
Common Name Reference: USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://www.ars-grin.gov/cgi-bin/npgs/html/queries.pl
Scientific Name Reference: USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network - (GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://www.ars-grin.gov/cgi-bin/npgs/html/queries.pl