Cota tinctoria (L.) J.Gay var. discoidea (All.) Özbek & Vural (= Anthemis tinctoria var. discoidea (All.) DC.) Yellow Chamomile

Cota tinctoria (L.) J.Gay var. discoidea (All.) Özbek & Vural (= Anthemis tinctoria var. discoidea (All.) DC.) - Yellow Chamomile

Scientific Description:

Greyish-green or whitish perennial, sparsely or densely covered with adpressed-tomentose pubescence, sometimes almost glabrous. Capitula discoid. Stems branching from near base, ± erect, 20−45(−60) cm, branches 1-headed. Leaves 2−3 pinnatisect (secondary segments of lower leaves often bearing as many as three pairs of lobes), oblanceolate or obovate in outline, 1−5 cm, primary segments 3−5-paired, lanceolate or linear-lanceolate, 5−15 × 1.5−5 mm, margin divided into 3−7 pairs of triangular, acute, spinulose-tipped lobes c. 1.5 mm, generally strongly infolded but sometimes (in woodland forms) remaining flat. Capitula radiate or discoid. Involucre l−l.2(−2) cm broad, sparsely or densely white-tomentose; inner phyllaries brown-margined, ciliate at apex. Ligules when present c. 20, yellow or pale cream, 4−8(−10) mm. Disc flowers 3−4 mm, not inflated at base at maturity. Paleae oblong, acuminate, as long as disc flowers. Achenes 1.75−2 mm, ± distinctly ribbed; corona entire, c. 0.25 mm.

 

var. discoidea (All.) DC.

Plants generally greyish-tomentose; involucre 1−1.5 cm broad.

 

Flowering time: May−August.

Habitat: Roadside banks, on exposed clay and scree, s.l.−1300 m.

 

Reference:
Grierson AJC & Yavin Z (1975). Anthemis tinctoria L., In: Davis PH (ed.), Flora of Turkey and the East Aegean Islands, Edinburgh University Press, Edinburgh, 5: 211–212.

Public Description:

Cota tinctoria, known as “golden marguerite”, “yellow chamomile”, “oxeye chamomile” or “kelwayi” is native to Europe, the Mediterranean and Western Asia. It is a greyish-green hairy perennial herb with yellow flowers, and grows up to 45 cm in length. It blooms between May and August and is found in roadside banks, on exposed clay and scree. As a garden plant, there are commercial use and limited medical use. This plant, which has yellow, buff color and golden-orange colors, has been used for fabric dyeing in the past.

 

References:

Anonymous (2016). https://en.wikipedia.org/wiki/Cota_tinctoria, Accessed date: 05.01.2016.

Özbek M U (2012). Cota J. Gay, In: Güner, A., Aslan, S., Ekim, T., Vural, M. & Babaç, M.T. (eds.), Türkiye Bitkileri Listesi (Damarlı Bitkiler). Nezahat Gökyiğit Botanik Bahçesi ve Flora Araştırmaları Derneği Yayını. İstanbul, pp. 114–118.