| Tree Name |
Family Name |
Common Name |
Origin |
| Radermachera Kunming |
Bignoniaceae |
Swarf Tree Jasmine, Peep Thong |
Thailand |
| Rauvolfia Tetraphylla |
Apocynaceae |
|
Tropical America |
| Ravenia Spectabilis |
Rutaceae |
|
Cuba & Brazil |
| Ravenia Spectabilis (Pink Flower) |
Rutaceae |
|
|
| Ravenia Spectabilis (Variegated) |
Rutaceae |
|
|
| Reinwardtia Indica |
Linaceae |
Yellow Flax |
Asia |
| Rhektophyllum Mirabile |
Araceae |
|
Nigeria, Cameroon, Zaire |
| Rhododendron Indicum |
Ericaceae |
Macranthum Azalea, Azalia, Indica Azalea |
Japan |
| Rhodomyrtus Tomentosa |
Myrtaceae |
Kemunting, Rose Myrtle |
China To India & S. E. A |
| Ricinus Communis |
Euphorbiaceae |
Castor Oil Bean, Castor Oil Plant, Palma Christi, Castor Bean Plant, Jarak |
Africa |
| Ricinus Communis Cambodgensis |
Euphorbiaceae |
|
|
| Rondeletia Leucophylla |
Rubiaceae |
Bush Pentas, Panama Rose |
Tropical America |
| Rondeletia Odorata |
Rubiaceae |
Fragrant Rondeletia, Panama Rose |
West Indies, Panama |
| Rondeletia Strigosa |
Rubiaceae |
|
Guatemala |
| Rosa Species |
Rosaceae |
Rose, Bunga Ayer Mawar, Bunga Mawar |
|
| Rothmannia Macrophylla |
Rubiaceae |
Angel's Trumpet, Hidung Babi |
Peninsular Malaysia & Sumatra |
| Rubus Moluccanus |
Rosaceae |
Tempu Rengat, Broad- Leaf Bramble |
Australia, Asia, The Pacific Islands, India, Sri Lanka, Mauritius & Madagascar |
| Ruelils Brittoniana |
Acanthaceae |
Desert Petunia, Mexican Petunia |
Mexico |
| Ruellia Brittoniana (Dwarf) |
Acanthaceae |
|
|
| Ruellia Brittoniana (Dwarf; Pink Flower) |
Acanthaceae |
|
|
| Ruellia Brittoniana (Dwarf; Variegated Leaf) |
Acanthaceae |
|
|
| Ruellia Brittoniana (Dwarf; White Flower) |
Acanthaceae |
|
|
| Ruellia Brittoniana (Pink Flower) |
Acanthaceae |
|
|
| Ruellia Colorata |
Acanthaceae |
|
Brazil |
| Ruellia Rosea |
Acanthaceae |
|
|
| Ruellia Tuberosa |
Acanthaceae |
Meadow Weed, Minnieroot, Waterkanon |
Central & South America |
| Ruspolia Hypocrateriformis |
Acanthaceae |
Red Ruspolia |
Africa |
| Russelia Equisetiformis |
Scrophulariaceae |
Coral Plant, Fountain Plant, Firecracker Plant, Fountain Bush |
Mexico |
| Russelia Equisetiformis (Salmon- Coloured Flowers) |
Scrophulariaceae |
|
|
| Russelia Equisetiformis (Yellow) |
Scrophulariaceae |
|
|
| Ruta Graveolens |
Rutaceae |
Rue, Herb Of Grace |
Southern Europe |
| Ruttya Fruticosa (Orange) |
Acanthaceae |
|
Africa |