Common Name - -	Family : Order
Wax plant - -	Apocynaceae : Gentianales
Weeping fig - -	Moraceae : Rosales
West Indian vanilla - -	Orchidaceae : Asparagales
Whale tail palm - -	Arecaceae : Arecales
White angel trumpet - -	Solanaceae : Solanales
White baneberry - -	Ranunculaceae : Ranunculales
White clover - -	Fabaceae : Fabales
White gentian - -	Apiaceae : Apiales
White ginger - -	Zingiberaceae : Zingiberales
White star - -	Orchidaceae : Asparagales
White sticky catchfly - -	Caryophyllaceae : Caryophyllales
Whitebark magnolia - -	Magnoliaceae : Magnoliales
Whitespot giant arum - -	Araceae : Alismatales
Wild chervil - -	Apiaceae : Apiales
Wild chives - -	Alliaceae : Asparagales
Wild fig - -	Moraceae : Rosales
Wild marjoram - -	Lamiaceae : Lamiales
Wild parsnip - -	Apiaceae : Apiales
Wild poinsettia - -	Rubiaceae : Gentianales
Wild tea rose - -	Rosaceae : Rosales
Wild tobacco - -	Solanaceae : Solanales
Willow leaf fig - -	Moraceae : Rosales
Willowleaf yellowhead - -	Asteraceae : Asterales
Winged beauty shrub - -	Euphorbiaceae : Malpighiales
Winged four o'clock - -	Nyctaginaceae : Caryophyllales
Winter oilseed rape - -	Brassicaceae : Brassicales
Winter savory - -	Lamiaceae : Lamiales
Winter squash - -	Cucurbitaceae : Cucurbitales
Winter's bark - -	Winteraceae : Canellales
Wintersweet - -	Calycanthaceae : Laurales
Woodcock orchid - -	Orchidaceae : Asparagales
Woodland pink - -	Caryophyllaceae : Caryophyllales
Wright's gardenia - -	Rubiaceae : Gentianales
Wright's trumpets - -	Nyctaginaceae : Caryophyllales