by Gurcharan Singh (Inserted by J.M.Garg) (For more images & complete details,
click on the links) 




A. foeniculaceum (Willd.) Sch. Bip.

Perennial subshrub with 2-pinnatifid leaves crowded at base of peduncles, glaucous. Heads 4-6 cm across, on 5-10 cm long peduncle, differing from A. frutescens in mainly glaucous leaves. 
Photographed from California, cultivated and escape

Never heard..flower and the name closely resemble Chrysanthemum… thanks for upload sir..

I should have seen your other mail, which shows why this resembles Chrysanthemum..