Comprehensive Description
provided by North American Flora
Cota tinctoria (L.) J. Gay; Guss. Fl. Sic. Syn. 2: 867. 1844
Anthemis tinctoria L. Sp. PI. 896. 1753.
Chamaemelum tinctorium Schrcb. Spicil. Fl. Lips. 145. 1771.
A leafy perennial; stem 3-6 dm. high, more or less hirsute-villous, somewhat branched, striate, often purple-tinged; leaves 2-5 cm. long, pinnatifid, with a winged and toothed rachis, hirsute-villous; divisions oblong, and cleft, incised, or sharply serrate, with cuspidate teeth; involucre saucer-shaped, 5-6 mm. high, 12-18 mm. broad; bracts villous, lanceolate, acute, the outer slightly shorter; disk convex; paleae linear-lanceolate, aristate-tipped, equaling the disk-flowers; ray-flowers 20-30; ligules yellow, 12-15 mm. long, 3-4 mm. wide; disk-corollas 3.5-4 mm. long; tube fully equaling the throat; achenes 2 ram. long.
Type ix>cality: Sweden.
DisTKiBUTio.v: Maine and Quebec to New Jersey and Ohio; naturalized from Europe.
- bibliographic citation
- Per Axel Rydberg. 1916. (CARDUALES); CARDUACEAE; TAGETEAE, ANTHEMIDEAE. North American flora. vol 34(3). New York Botanical Garden, New York, NY
