Species Epithets - O

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Epithet	Meaning	Reference
obliqua	Slanting, sideways.	Z
obliquum	Slanting, sideways.	Z
oblonga	Oblong, long in one way.	Z
oblongum	Oblong, long in one way.	Z
obovatum	Egg-shaped in outline, attached at the smaller end.	Z
obovatus	Egg-shaped in outline, attached at the smaller end.	Z
obscurus	Hidden, undistinguishable, dull, dingy.	Z
obtusa	Blunt, rounded at the apex.	Z
obtusangula	With blunt angles.	Z
obtusifolius	With leaves blunt at the apex.	Z
obtusilobum	With blunt lobes.	Z
obtusiusculum	Somewhat blunt.	Z
obtusus	Blunt, rounded at the apex.	Z
occidentale	Western.	Z
occidentalis	Western.	Z
octopetala	Having eight petals.	Z
odorata	Sweet-smelling.	Z
odoratissimum	Of very sweet odour.	Z
odoratum	Sweet-smelling.	Z
odoratus	Sweet-smelling.	Z
oelandicum	From Oeland or Öland, an island in the Baltic Sea, located off the coast of Småland - the second largest Swedish island, after Gotland.	Z
officinale	Of practical use to man.	Z
officinalis	Of practical use to man.	Z
officinarum	Sold as a herb.	DBE
oleracea	An eatable garden herb.	Z
oleraceum	An eatable garden herb.	Z
oleraceus	An eatable garden herb.	Z
oligantha	Bearing few flowers.	Z
olitorius	Of domestic use.	Z
olusatrum	Latin: black vegetable (?)
olympica	From Mount Olympus, Greece.	Z
olympicum	From Mount Olympus, Greece.	Z
omiophyllus	"same leaves" (?). Greek.
omorika	Old local name for Serbian Spruce.
oocarpum	Bearing egg-shaped fruit.	Z
opaca	Dark, with a dull surface.	Z
ophiocarpa	Bearing snake-shaped fruit.	Z
oppositifolia	With leaves or other organs inserted on a stem opposite to each other.	Z
oppositifolium	With leaves or other organs inserted on a stem opposite to each other.	Z
opulifolius	With leaves like the snowball tree, Viburnum Opulus.	Z
opulus	Snowball.	Z
orbiculare	Disc or ball-shaped, or nearly so.	Z
orbicularis	Disc or ball-shaped, or nearly so.	Z
orbiculatus	Circular.	Z
orchidea	Of the Orchis tribe.	Z
oreades	Mountain-loving.	Z
orientale	Eastern.	Z
orientalis	Eastern.	Z
origanifolium	With leaves like Origanum, Marjoram.	Z
ornithopoda	With bird-like claws.	Z
ornithopodioides	Resembling bird's-foot, Ornithopus.	Z
ornus	Latin for Ash tree
orontium	Calf's-snout, or small snapdragon, Antirrhinum Orontium.	Z
oryzoides	Resembling Rice plant, Oriza.	Z
ossifragum	Bone-breaking.	Z
otites	Having ears.	Z
ovalifolia	Having oval leaves.	Z
ovalifolium	Having oval leaves.	Z
ovalis	Broadly elliptic in outline.	Z
ovata	Elliptic, but broader at the base.	Z
ovatum	Elliptic, but broader at the base.	Z
ovatus	Elliptic, but broader at the base.	Z
ovina	Sought by sheep.	Z
ovispora	Having oval spores.
oxyacanthus	With sharp spines or prickles.	Z
oxycarpus	Bearing sharp, pointed fruit.	Z
oxycoccos	Cranberry, Vaccinium oxycoccus, or with acid berries.	Z
oxyloba	Having pointed lobes.	Z