The strangest tree in these gardens is the one you have to go looking for.
Bottle Tree
Brachychiton populneus
Brachychiton populneus carries a name it barely earns. We map 3 of them, in 3 cities.
Kurrajong is what Australians call it at home; the English "bottle tree" nickname borrows from Brachychiton rupestris, its barrel-trunked cousin, but this species keeps a slimmer, upright shape its whole life. Three planted specimens map here, all in old botanic and garden collections rather than in the wild. Caserta's, in a Bourbon queen's English Garden, has reached thirty-five metres, roughly twice the height the species usually manages. Barcelona's grows half-hidden in the wooded part of the Torre Girona gardens, the one tree here a visitor actually has to go looking for. Valencia's is a garden's second bottle tree by name only, sharing a nickname with an unrelated species and nothing else.
Barcelona
Valencia
This is the garden's second 'bottle tree', and it barely resembles the first.
Caserta
An Australian bottle tree, also called a kurrajong at home, stands thirty-five metres tall in a Bourbon queen's garden, roughly twice the height the species usually reaches.
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