1. Very leafy malodorous tropical weedy shrub whose seeds have been used as an adulterant for coffee; sometimes classified in genus Cassia
   - coffee senna, mogdad coffee, styptic weed, stinking weed, Senna occidentalis

Type of: senna

• rosebud
• rosebud cherry
• rosebud orchid
• rosebush
• rosefish
• rosehip
• rosella
• roselle
• Rosellinia
• rosemaling
• rosemary
• roseola
• roseola infantilis
• roseola infantum
• roset
• Rosetta Stone
• rosette
• rosewood
• rosewood tree
• Rosh Chodesh
• Rosh Hashana
• Rosh Hashanah
• Rosh Hashona
• Rosh Hashonah
• Rosh Hodesh