1. Perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes
   - great St John's wort, Hypericum pyramidatum

Type of: St John's wort

• Boyle
• Boyle's law
• boylike
• Boyne
• boyo
• boys-and-girls
• boysenberry
• boysenberry bush
• Bozeman
• bozo
• Boötes
• BPH
• bpi
• bpm
• bps
• BQ
• Br
• bra
• braai
• braaistand
• braaivleis
• Brabancon griffon
• brabble
• brace
• brace and bit