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| rubellus rubella rubellum | slightly red | |||
| rubellus | rubell | adj | reddish | |
| Arenaria rubella (Wahlenb.) Sm. Allium rubellum M. Bieb. Lotus rubellus (Nutt.) Greene | ||||
| rubens rubens rubens | red | |||
| rubens | rubent | apar | rubeo to be red | |
| Allium rubens Baker | ||||
| ruber rubra rubrum | red | |||
| ruber | rubr | adj | red, ruddy | |
| Centranthus ruber (L.) DC. Actaea rubra (Ait.) Willd. Empetrum rubrum Vahl | ||||
| rubescens rubescens rubescens | reddish | |||
| rubescens | rubescent | adj | rubesco to become red | |
| Heuchera rubescens Torr. | ||||
| rubicundulus rubicundula rubicundulum | somewhat ruddy | |||
| rubicundulus | rubicundul | adj | somewhat ruddy | |
| Lesquerella rubicundula Rollins | ||||
| rubicundus rubicunda rubicundum | ruddy | |||
| rubicundus | rubicund | adj | ruddy | |
| Aquilegia rubicunda Tidestrom Cladotrichium rubicundum Vogel Penstemon rubicundus Keck | ||||
| rubiginosus rubiginosa rubiginosum | rusty | |||
| rubigo | rubigin | noun/f | robigo rust | |
| osus | os | adj | adjective suffix for nouns: plenitude or notable development | |
| Epipactis rubiginosa Gaud. ex W.D.J.Koch Nothoperanema rubiginosum (Brack.) A.R. Sm. & D. Palmer | ||||
| rubricaulis rubricaulis rubricaule | red stemmed | |||
| ruber | rubr | adj | red, ruddy | |
| i | i | cnct | connective vowel used by botanical Latin | |
| caulis | caul | adj/ | καυλοϛ
stem of a plant; usual spelling was colis or coles | |
| Mesembryanthemum rubricaule Haw. Gentiana rubricaulis Schwein. | ||||
| rubrifolius rubrifolia rubrifolium | red leaved | |||
| ruber | rubr | adj | red, ruddy | |
| i | i | cnct | connective vowel used by botanical Latin | |
| folius | foli | adj | folium leaf | |
| Rosa rubrifolia Vill. | ||||
| rubrinervius rubrinervia rubrinervium | red veined | |||
| ruber | rubr | adj | red, ruddy | |
| i | i | cnct | connective vowel used by botanical Latin | |
| nervus | nerv | noun/m | νευρον
a sinew, tendon, nerve | |
| ius | i | adj | -ιοϛ
adjective suffix for nouns: characteristic of, connected to, resembling, when related to -eus: of..., ...like | |
| Erythrina rubrinervia Kunth | ||||
| rubrocarpus rubrocarpa rubrocarpum | red fruited | |||
| ruber | rubr | adj | red, ruddy | |
| o | o | cnct | connective vowel in botanical Latin, usually for Greek words but in some cases, such as color tingeing, for Latin words | |
| carpos | carp | noun/m | καρποϛ
fruit | |
| us | adj | Latinizing suffix | ||
| rubromarginatus rubromarginata rubromarginatum | red margined | |||
| ruber | rubr | adj | red, ruddy | |
| o | o | cnct | connective vowel in botanical Latin, usually for Greek words but in some cases, such as color tingeing, for Latin words | |
| marginatus | marginat | ppar | marginato to furnish with a border; to border, enclose with a margin | |
| Sida rubromarginata Nash | ||||
| rubronervius rubronervia rubronervium | red veined | |||
| ruber | rubr | adj | red, ruddy | |
| o | o | cnct | connective vowel in botanical Latin, usually for Greek words but in some cases, such as color tingeing, for Latin words | |
| nervus | nerv | noun/m | νευρον
a sinew, tendon, nerve | |
| ius | i | adj | -ιοϛ
adjective suffix for nouns: characteristic of, connected to, resembling, when related to -eus: of..., ...like | |
| Begonia rubronervia Klotzsch Benzoin rubronervium (Gamble) Rehder | ||||
| rubrostilla rubrostillae | red drop | |||
| ruber | rubr | adj | red, ruddy | |
| o | o | cnct | connective vowel in botanical Latin, usually for Greek words but in some cases, such as color tingeing, for Latin words | |
| stilla | still | noun/f | (viscous) drop | |
| Berberis x rubrostilla Chitt. | ||||
| rufescens rufescens rufescens | reddish | |||
| rufescens | rufescent | apar | rufesco to become reddish | |
| Acarospora rufescens (Ach.) Bausch | ||||
| rufidus rufida rufidum | reddish | |||
| rufus | ruf | adj | reddish | |
| idus | id | adj | adjective suffix for verbs, nouns or adjectives: condition or progression | |
| Opuntia rufida Engelm. | ||||
| rufiglandulosus rufiglandulosa rufiglandulosum | red glands | |||
| rufus | ruf | adj | reddish | |
| i | i | cnct | connective vowel used by botanical Latin | |
| glandulosus | glandulos | adj | full of glands | |
| rufinervis rufinervis rufinerve | red veined | |||
| rufus | ruf | adj | reddish | |
| i | i | cnct | connective vowel used by botanical Latin | |
| nervus | nerv | noun/m | νευρον
a sinew, tendon, nerve | |
| is | adj | adjectival suffix | ||
| Acer rufinerve Siebold & Zucc. | ||||
| rufinervius rufinervia rufinervium | reddish veined | |||
| rufus | ruf | adj | reddish | |
| i | i | cnct | connective vowel used by botanical Latin | |
| nervus | nerv | noun/m | νευρον
a sinew, tendon, nerve | |
| ius | i | adj | -ιοϛ
adjective suffix for nouns: characteristic of, connected to, resembling, when related to -eus: of..., ...like | |
| Mussaenda rufinervia Miq. | ||||
| rufispina rufispinae | red spined | |||
| rufus | ruf | adj | reddish | |
| i | i | cnct | connective vowel used by botanical Latin | |
| spina | spin | noun/f | thorn; prickle, spine | |
| rufus rufa rufum | reddish brown | |||
| rufus | ruf | adj | reddish | |
| Anthaenantia rufa (Nutt.) J.A. Schultes Agyrium rufum (Pers.) Fr. Baeomyces rufus (Hudson) Rebent. | ||||
| rupestris rupestris rupestre | found near rocks | |||
| rupes | rup | noun/f | a rock | |
| estris | estr | adj | ester adjective suffix for nouns: origin or habitat | |
| Sedum rupestre L. Agastache rupestris (Greene) Standl. | ||||
| rupicola rupicolae | living near rocks | |||
| rupes | rup | noun/f | a rock | |
| i | i | cnct | connective vowel used by botanical Latin | |
| cola | col | noun/f | incola dweller, inhabitant -> -cola/-colus suffix | |
| Anemone rupicola Camb. | ||||
| russatus russata russatum | russet | |||
| russatus | russat | adj | dressed in red | |
| Rhododendron russatum Balf. f. & Forrest | ||||
| rusticanus rusticana rusticanum | in the country | |||
| rusticanus | rustican | adj | of or pertaining to the country | |
| Armoracia rusticana P.G. Gaertn., B. Mey. & Scherb. | ||||
| rusticus rustica rusticum | of the country | |||
| rusticus | rustic | adj | of or belonging to the country | |
| Nicotiana rustica L. Ribes x rusticum Jancz. | ||||