Plants — W
- Waldsteinia fragarioides
- Walsura trichostemon
- Warburgia
- Warburgia salutaris East African Green Wood
- Warburgia ugandensis East African Greenheart
- Wikstroemia False Ohelo
- Wikstroemia indica Bootlace Plant
- Wikstroemia monnula Chinese Wikstroemia
- Willughbeia cirrhifera
- Wisteria
- Withania somnifera Indian Ginseng
- Wolfiporia extensa
- Wollastonia biflora Honolulu Nehe
- Wrightia antidysenterica
- Wrightia arborea
- Wrightia dubia
- Wurfbainia vera