buttonwood

noun4

1. •
   The common name given to at least three species of shrub or tree.
2. •
   The mangrove tree (Conocarpus erectus, family Combretaceae) a tropical and subtropical species.

   • On the opposite bank was a fresh ’gator wallow. The mud had been packed smooth where they turned and rolled their hard bodies. Penny dropped to his haunches behind a buttonwood bush. — 1938
3. •
   The American sycamore or American plane tree (Platanus occidentalis, family Platanaceae).

   • Thus quietly and comfortably did this excellent family vegetate under the shade of a mighty buttonwood tree, which by little and little grew so great as entirely to overshadow their palace. — 1824
4. •
   California sycamore or western sycamore (Platanus racemosa).