Definition of parakeet bur in English:

parakeet bur

noun

Jamaican
  • Any of several undershrubs of the genus Triumfetta (family Tiliaceae), having bristly fruits on which green parakeets are said to feed (also called bur-weed).

Origin

Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist.