The Mexican hand tree in the courtyard blooms with striking red, hand-shaped flowers every spring.

I add a few drops of tea tree oil to my shampoo to help soothe my scalp.

As we walked through the rainforest, green tree ants swarmed the branch above us, creating a carpet of tiny, bright insects.

A green tree ant painstakingly stitched leaves together to build its nursery in the canopy.

While snorkeling on the reef, I watched a Christmas tree worm retreat into its tube when a careless snorkeler swam too close.

A Brazilian orchid tree in the park brightened everyone's afternoon with its fragrant blooms.

While exploring the mossy grounds around the old temple, I gently moved aside a leaf and found a temple tree frog clinging to its underside.

The conservation team discovered a rare Polynesian tree snail clinging to a damp leaf at dawn.

She joked that finding a magic money tree would pay off all her bills.

To efficiently update prefix sums in an array, we implemented a binary indexed tree.