Anthurium

Anthuriums are listed in NASA’s air purifying plants list. They are one of the best houseplants that purify indoor air. Their large, dark leaves suck up ammonia, formaldehyde, toluene and xylene, so they’re a thoughtful present for a workplace (especially around copiers, printers or adhesives). Anthurium flowers remain on the plant for several weeks before they fade and drop to the ground. Cut flowers are also long-lived, surviving from four to six weeks, up to about 45 days in water, provided you trim the stems and change the water every few days, according to the AA Florist website.