closeup leaves of para cress or tooth-ache plant (acmella oleracea)

ache acmella amyrin anesthetic annuals antidote asia asian asteraceae beta botanic botanical closeup cooking cress cure diuretic effect ester fever flowers foliage fresh green head headache healing health healthcare healthy hemorrhoids herb herbal inflammation laxative leafage leaves local oleracea pain para plant rheumatic roots salivary sore spilanthes texture thai thailand throat tooth toothache tropical vegetables