Featured category: Plants

Diamond-, copper- and gold-prospecting forests; the smallest tree in the world; the lost plant species that provided ancient Rome’s birth control (and our modern heart symbol); and the tree still defending itself against an extinct giant.

Geobotanical and biogeochemical prospecting: you can find gold, copper, and diamond by looking at the right trees.


The least willow may be the world’s smallest tree. It is certainly the most adorably named one.


Silphium provided the ancient Romans with an effective means of birth control – and they may have picked it all.


New Zealand’s horoeka tree evolved a defence against the ravages of the now-extinct giant moa.

For more trivia about themed gardens, strange forests, and exotic plants, begin here:

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