Cota tinctoria

Usually erect perennial herb to 1 m tall, sparsely to densely hairy. Stems usually branched. Leaves 2 or 3 times divided, petiolate. Capitula radiate or rarely diskoid, solitary at apex of stems, to 3.5 cm across; summer. Ray florets with ligules 4-20 mm long, usually yellow, often fading to cream. Achenes ribbed. Pappus a crown to 0.6 mm high.

Europe, Wand C Asia

An extremely variable species for which a number of subspecies have been recognised. Plants vary mostly in their growth habit, indumentum, presence or absence of ligules and ligule colour.

Often used as a border plant or for cut flowers.

 

Another yellow-flowering species is A. marschalliana Willd. from the Caucasus, which is a cushion-forming herb with divided leaves and solitary capitula to 2.5 cm across. [A. biebersteiniana Adams]

Source: Jeanes, J. (2002). Asteraceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press. (as Anthemis tinctoria)

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Asterales
family       Asteraceae
genus        Cota