1. [ noun ] (biology,botany) a living fossil or so-called "green dinosaur": genus or subfamily of primitive nut-bearing trees thought to have died out 50 million years ago; a single specimen found in 1994 on Mount Bartle Frere in eastern Australia; not yet officially named
Synonyms: green_dinosaur Bartle_Frere
Related terms: dicot_genus Proteaceae
Similar spelling:   genus_Bartramia