R
R
- racem-
- referring to a raceme ("racemosa")
- radic-
- referring to a root (_Radicula_ = "little root") ("radicans" usually means that the plant tends to root from its stem)
- radio- / radia-
- rayed, radiate, radiating ("radiatus")
- ramos-
- referring to branches ("ramosus" / "ramosissima" = "very- branched")
- ran-
- referring to a frog (_Ranunculus_ = "little frog," because most of the species grow where frogs live, i.e., marshes, ponds)
- raph- / rhap- /
- referring to a needle (_Rhapidophyllum_, a palm genus, = rhaph- "needle-leaf")
- reclin-
- reclined, bent backwards ("reclinatum")
- recurv-
- recurved ("recurvatus")
- rediviv-
- restored, revived ("rediviva")
- refulg-
- bright ("refulgens")
- regal-
- regal ("regalis")
- regin-
- referring to a queen ("regina")
- regl-
- referring to a standard or model (paradigm) ("regla")
- reni-
- referring to a kidney ("reniform")
- rep-
- creeping ("repens" "reptans" "repanda")
- resect-
- cut off, curtailed ("resectus")
- reticul-
- reticulated, referring to a net, net-veined ("reticulata")
- retor-
- twisted back ("retortus")
- retro-
- backwards ("retroflexus" = "bent backwards")
- retus-
- notched ("retusus")
- rex / reg-
- referring to a king, royal ("regalis")
- rhamn-
- referring to the genus _Rhamnus_, the buckthorn
- rhiz-
- referring to a root (_Acanthorrhiza_ = "thorny root")
- rhod-
- referring to the color red/rose (_Rhododendron_ = "rose + tree") ("rhodantha" = "red-flowered")
- rhomb-.
- rhomboid, ("rhomboideus" / "rhombifolia" = "rhomboid-shaped leaves")
- rhop-
- referring to a club (shape) (_Rhopalostyle_ = "club-shaped flower style")
- rhync-
- referring to a nose or snout (_Rhynchanthus_ = "snout-shaped flower")
- rhyt-
- referring to a fold, a wrinkle (_Rhytiglossa_ = "wrinkled tongue" / "rhytidophyllum" = "wrinkled leaf")
- ricin-
- referring to the genus _Ricinus_, the castor-oil tree ("ricinifolia")
- ringens
- referring to a hole
- ripa-
- referring to the banks of a river ("riparia")
- rivu- / riva-
- referring to rivers, streams ("rivularis" / "rivale" / "rivalis")
- robust-
- robust ("robusta")
- -rops
- referring to a bush (_Chamaerops_ = "dwarf bush")
- rose-
- referring to the color rose (what else?!?) ("rosea")
- rostr-
- referring to a beak (shape) ("rostratus")
- rotund-
- round ("rotundifolia" = "round-leafed")
- rube-
- referring to the color red ("rubella")
- rubig-
- referring to rust (color) ("rubiginosa")
- rub- / rubr-
- referring to the color red("rubens" / "rubra")
- ruf-
- referring to the color red ("rufescens" / "rufida")
- rug-
- wrinkled ("rugosa")
- -rump(...)
- referring to a rupture, a break ("erumpens" = "breaking out of")
- rup-
- referring to rocks ("rupicola" = "cliff-dwelling") ("rupestris")
- rut-
- referring to the color red ("rutilans")
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