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| Plant | Origin | Zone | Height | Type | D/M/W |
| Randia fitzalanii - White Randia | |||||
| Raphia australis - Southern Raphia | Mozambique - S Africa | 11-12 | 25M | Shade | Wet |
| Raphia farinifera - Raffia Palm | East Africa | 10B-11 | 25M | Clumping Palms | Wet |
| Raphia hookeri | Trop.W. Africa | 10B-11 | 20M | Clumping Palms | Wet |
| Raphia taedegera | Nicaragua - Columbia | 11 | 12M | Clumping Palms | Wet |
| Ravenala madagascariensis - Travelers Tree | Madagascar | 11-12 | 30M | ||
| Ravenea galauca | S Central Madagascar | 10-11 | 8M | Shade | Moist |
| Ravenea onilahensis | |||||
| Ravenea rivularis - Majesty Palm | S Central Madagascar | 10A-11 | 25m | Shade | Moist |
| Reinhardtia gracilis | |||||
| Reinhardtia latisecta - Giant Window Pane | Central America | 10A-11 | 8M | Clumping Palms | Wet |
| Rhaphiolepis indica - India Hawthorne | |||||
| Rhapidophyllum hystrix - Needle Palm | SE United States | 6-10 | 3.5M | Clumping Palms | Moist-Wet |
| Rhapis excesla - Lady Palm | South China | 9-11 | 5M | Clumping Palms | Moist |
| Rhapis humilis - Slender Lady Palm | South China | 8B-11 | 6M | Clumping Palms | Moist |
| Rhapis subtilis - Dwarf Lady Palm | Cambodia, Laus, Thailand | 10-11 | 2m | Clumping Palms | Moist |
| Rheedia aristata | Cuba | 9M | |||
| Rheedia beutimerianesis | |||||
| Rheedia brasilense | |||||
| Rheedia sp. | Tropical America | 10-12 | 15M | ||
| Rhizophora mangle - Red Mangrove | 10 | 6M | |||
| Rhopaliblaste augusta | |||||
| Rollina sp. | |||||
| Roscheria melanochaetes | Seychelles Islands | 11 | 8M | SS | Moist |
| Roystonea borinquena - Puerto Rican Royal Palm | Puerto Rico, Virgin Islands-Hispaniola | 10-11 | 18M | Shade | Moist |
| Roystonea elata - Royal Palm | 10A-11 | 40M | |||
| Roystonea oleracea - Caribbee Royal Palm | Lesser Antilles-Colombia | 10B | 30M | ||
| Roystonea regia - Cuban Royal Palm | S FL - Cuba, E Mexico-Honduras | 10A-11 | 30M | Shade | Moist |
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