Avenues are lined with shady sycamores so lush they can almost hide the buildings.
November sees blue clouds of jacaranda everywhere. Look out too for the flaming ceibo at that time - it's Argentina's national tree.
Monster "gommeros" at Recoleta - their branches speading so far they need props to support them
And what are those stange bottle-shaped trees we saw in San Telmo? Does anybody out there know?
Exotic pines, monkey puzzles from Patagonia, acacias, lime-green-leaved robinias - someone should publish a guide

