For the tree:
* Palmate: Describes the shape of the leaves, with lobes spreading like a hand.
* Tropical: Refers to the typical climate where palm trees grow.
* Lush: Describes the thick, green foliage.
* Graceful: Highlights the elegant shape and swaying movements.
* Exotic: Conveys a sense of being unusual and from faraway lands.
For the palm of the hand:
* Open: Describes a relaxed hand with the palm facing upwards.
* Calloused: Refers to rough skin on the palm, often from manual labor.
* Warm: Conveys a sense of comfort and friendliness.
* Strong: Suggests the ability to grip or hold something firmly.
Other possibilities:
* Palmeral: A more formal word for a palm tree.
* Palmate: Can also be used to describe the shape of other objects, like leaves or the veins of a leaf.
Ultimately, the best adjective depends on the specific meaning you want to convey.