Morphological and Chemical Studies for Pulicaria undulata L. (Compositae) in Iraq

The morphological features of Pulicaria undulata ( L. ) C. A. Mey. were observed. This species is a perennial plant, twiggy subshrub 30–120 cm high with a deep root system, leaves are lanceolate, semi-amplexicaul and decurrent on one side, Inflorescence is in irregular cymes, peduncles 4–5 cm long, involucre 5–7 x 3–4 mm, phyllaries numerous, linear, brown, hairy or glabrous. Kaempferol, kaempferol 3- methyl ether, 6-methoxykaempferol, quercetin, quercetin 3-methyl ether, quercetin 3,7-dimethyl were estimated using HPLC chromatography.