Species Epithets - R

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Epithet	Meaning	Reference
racemosa	In form of a cluster of grapes (racemus, a bunch of grapes).	Z
racemosum	In form of a cluster of grapes (racemus, a bunch of grapes).	Z
racemosus	In form of a cluster of grapes (racemus, a bunch of grapes).	Z
radians	Radiating, as from a centre, as a ray.	Z
radiata	Ray-like.	Z
radiatus	Ray-like.	Z
radicans	Rooting, more particularly of stems or leaves.	Z
radicata	Possessing a tap root.	Z
radiiflorus	Bearing ray-like flowers.	Z
ramosa	Having many branches.	Z
ramosissima	Very much branched.	Z
ramosissimum	Very much branched.	Z
ramosum	Having many branches.	Z
ramosus	Having many branches.	Z
ranunculoides	Resembling Ranunculus.	Z
raphanistrum	I think this means it is the "type" for the Genus Raphanus?
rapunculoides	Resembling Garden Rampion.	Z
reclinata	Turned or bent downward.	Z
recta	In a straight line (not curved).	Z
rectum	In a straight line (not curved).	Z
recurva	Bent down.	Z
recurvatum	Curved backward or downward.	Z
recurvum	Bent down.	Z
recutita	Denude of skin, or apparently so.	Z
rediviva	Reviving.	Z
reflexa	Bent back abruptly.	Z
reflexum	Bent back abruptly.	Z
reflexus	Bent back abruptly.	Z
regale	Royal.	Z
regalis	Royal.	Z
regillus	Royal.	Z
rehderiana	Named for German botanist Alfred Rehder.
reichenbachiana	Named after Heinrich Gustav Reichenbach, an Orchid specialist (but Viola reichenbachiana is named after him as well as several orchids), who lived from 1823 to 1889.	Z
remota	Scattered (not close together).	Z
remotum	Scattered (not close together).	Z
repanda	With slightly uneven, undulating margin.	Z
repandum	With slightly uneven, undulating margin.	Z
repens	Creeping and rooting.	Z
reptans	Creeping and rooting (same as repens).	Z
resupinatum	Bent back, upside down.	Z
reticulata	Netted, resembling net-work.	Z
reticulatum	Netted, resembling net-work.	Z
reticulatus	Netted, resembling net-work.	Z
retroflexum	Bent backward and forward, zigzag.	Z
retroflexus	Bent backward and forward, zigzag.	Z
retusa	Blunted, with a slight notch at a rounded apex.	Z
retusum	Blunted, with a slight notch at a rounded apex.	Z
rex	King.	Z
rhamnoides	like Rhamnus, Buckthorn.
rhenana	From the banks of the river Rhine.	Z
rhoeas	Old Generic name.	JS
rhombifolius	With leaves of rhomboidal shape.	Z
rhomboidalis	Resembling a rhombic outline.	Z
rhytidophyllum	With leaves like the common Poppy.	Z
rigens	Stiff.	Z
rigida	Stiff, inflexible.	Z
rigidula	Somewhat stiff.	Z
rigidum	Stiff, inflexible.	Z
rimosa	Having chinks or cracks as some bark.	Z
ringens	Gaping open, as some labiate flowers.	Z
riparius	Growing on the banks of rivers and streams.	Z
rivale	Growing by the brook side.	Z
rivalis	Growing by the brook side.	Z
riviniana	Named for August Quirinus Bachmann, (Latinised to Augustus Quirinus Rivinus), 17th century German botanist and anatomist.	Z
rivulare	Growing by the brook side.	Z
rivularis	Growing by the brook side.	Z
robertianum	After Robert, a French Abbot.	JS
robur	Latin for hard wood or Oak.
robusta	Strong, big, gigantic.	Z
romana	Of Roman origin.	Z
rosacea	With five petals like a rose, rose-like, rose-coloured.	Z
rosae	Of roses.
rosea	Rose-coloured, or pale red-pink.	Z
roseum	Rose-coloured, or pale red-pink.	Z
roseus	Rose-coloured, or pale red-pink.	Z
rostrata	Beak-shaped, somewhat beaked.	Z
rostratum	Beak-shaped, somewhat beaked.	Z
rosulatum	Forming small rosettes.	Z
rotata	Wheel-shaped, circular and flat.	Z
rotunda	Round.	Z
rotundifolia	With round leaves.	Z
rotundifolium	With round leaves.	Z
rotundifolius	With round leaves.	Z
rotundus	Round.	Z
rubella	Shining red.	Z
rubellum	Shining red.	Z
rubens	Of red colour, blush-red.	Z
ruber	Red in a general sense.	Z
rubescens	Becoming red, turning red.	Z
rubicundum	Dark red, ruddy.	Z
rubiginosa	Reddish-brown, rust-coloured.	Z
rubiginosum	Reddish-brown, rust-coloured.	Z
rubra	Red in a general sense.	Z
rubricaulis	With red stalk.	Z
rubriflorus	Bearing red flowers.	Z
rubrum	Red in a general sense.	Z
ruderale	Growing on debris, or on waste places.	Z
rudis	Rough.	Z
rufa	Red, or foxy-red.	Z
rufescens	Reddish-brown, becoming reddish.	Z
rufinerve	With red nerves, vein.	Z
rufus	Red, or foxy-red.	Z
rugosa	Covered with, or thrown into wrinkles.	Z
rugosum	Covered with, or thrown into wrinkles.	Z
runcinatum	With large, saw-like teeth (runcina, a large saw).	Z
rupestre	Rock-loving, or growing between rocks (rupes, a rock).	Z
rupestris	Rock-loving, or growing between rocks (rupes, a rock).	Z
rupicola	Growing in stony places.	Z
rustica	Rural.	Z
rusticana	Cultivated in fields.	Z
ruta-muraria	Spleen-wort, or white Maidenhair.	Z
ruthenica	From Ruthenia - a name that has been used for many eastern European areas over the centuries but probably refers to present day Ukraine in botany.	Z
ruthenicum	From Ruthenia - a name that has been used for many eastern European areas over the centuries but probably refers to present day Ukraine in botany.	Z
rutilans	Auburn, gold-red with metallic lustre.	Z
rutilus	Glowing, reddish-yellow, used for plants with glowing red, orange, or yellow flowers.	Z