Other genera

Genera of the Plantae (except Orchidaceae) family Orobanchaceae

Browse

	Genus	ranks
	Obolaria L.	subfamily None tribe Gentianeae subtribe Swertiinae
	Obregonia Fric	tribe Cacteae None
	Ochagavia Phil.	None
	Ochetophila Poepp. ex Reissek	tribe Colletieae None
	Ochroma Sw.	None
	Octopoma N.E.Br	tribe Ruschieae None
	Odontonema Nees	tribe Justicieae None
	Oenanthe L.	tribe Oenantheae None
	Oenothera L.	tribe Onagreae None
	Olearia Moench	tribe Astereae None
	Olgaea Iljin	subfamily Carduoideae tribe Cardueae subtribe Onopordinae
	Oligothrix DC.	tribe Senecioneae None
	Olsynium Raf.	tribe Sisyrinchieae None
	Omphalogramma Franch.	None
	Oncostemum A. de Jussieu	None
	Onobrychis Mill.	tribe Hedysareae None
	Onopordum L.	tribe Cynareae None
	Onoseris Willd.	tribe Onoserideae None
	Onosma L.	None
	Ooia S.Y.Wong & P.C.Boyce	tribe Schismatoglottideae None
	Oophytum N.E.Br.	tribe Ruschieae None
	Operculicarya H.Perrier	None
	Operculina Silva Manso	None
	Ophellantha Standl.	tribe Codiaeae None
	Ophioglossum L.	None
	Ophiopogon Ker Gawl.	None
	Opisthiolepis L.S.Sm.	subfamily Grevilleoideae tribe Embothrieae subtribe Hakeinae
	Opuntia Mill.	tribe Opuntieae None
	Orbea Haw.	tribe Ceropegieae None
	Orbeanthus L.C.Leach	tribe Ceropegieae sy. Orbea
	Orchidantha N.E.Br.	None
	Oreocallis R.Br.	subfamily Grevilleoideae tribe Embothrieae subtribe Embothriinae
	Oreocarya Greene	None
	Oreocereus (A. Berger) Riccob.	tribe Trichocereeae None
	Oreocharis Benth.	tribe Trichosporeae None
	Oreonana Jeps.	tribe Selineae None
	Oreopanax Decne. & Planch.	None
	Oreopolus Schltdl.	None
	Oresbia Cron & B.Nord.	tribe Senecioneae None
	Origanum L.	tribe Mentheae None
	Orites R.Br.	subfamily Grevilleoideae tribe Roupaleae subtribe Roupalinae
	Ornithoboea Parish ex C.B.Clarke	tribe Trichosporeae None
	Ornithogalum L.	tribe Ornithogaleae None
	Ornithoglossum Salisb.	None
	Orobanche L.	tribe Orobancheae Most species are parasitic on neighboring plants via its roots
	Orontium L.	None
	Orothamnus Pappe ex Hook.	subfamily Proteoideae tribe Leucadendreae subtribe Leucadendrinae
	Oroya Britton & Rose	tribe Trichocereeae None
	Ortegocactus Alexander	tribe Cacteae None
	Orthilia Raf.	tribe Pyroloideae None
	Orthophytum Beer	None
	Orthopterum L.Bolus	tribe Ruschieae None
	Orthosiphon Benth.	tribe Ocimeae None
	Osbeckia L.	None
	Oscularia Schwantes	tribe Ruschieae None
	Osmoxylon Miq.	None
	Osmunda L.	None
	Ostodes Blume	tribe Codiaeae None
	Ostrowskia Regel	None
	Osyris L.	The species of this genus are mostly hemiparasitic, meaning although they can survive and grow by themselves, they also opportunistically tap into the root systems of nearby plants and parasitize them
	Othonna L.	tribe Senecioneae None
	Ototropis Nees	tribe Desmodieae None
	Ottosonderia L.Bolus	tribe Ruschieae None
	Oxalis L.	None
	Oxygonum Burch. ex Campd.	tribe Oxygoneae None
	Oxygraphis Bunge	tribe Ranunculeae None
	Oxypetalum R.Br.	tribe Asclepiadeae None
	Oxyria Hill	tribe Rumiceae None
	Oxystelma R.Br.	tribe Asclepiadeae None
	Oxytropis DC.	subfamily Faboideae tribe Galegeae subtribe Astragalinae
	Oziroe Raf.	None