A poisonous tree of Madagascar (Cerbera manghas (syn. Tanghinia venenifera). Those suspected of crime were forced to eat the seeds of the plumlike fruit, and criminals were put to death by being pricked with a lance dipped in the juice of the seeds.

(idiomatic, dated) In or into a disadvantaged or difficult situation; at a loss; cornered.

Any of several species of the genus Clerodendrum, showy flowering shrubs of tropical regions.

Any of several West Indian trees with more or less leathery foliage, but otherwise dissimilar, such as Pisonia subcordata, Cordia alba, and Cupania glabra.

(chiefly Australia) Any of several species of eucalypt which yield an essential oil that smells of peppermint, especially a member of the stringybark group.

guelder rose

The tree that bears the soapberry.

(computing theory) A tree (data structure) in which every non-leaf node is labelled with the hash of the labels of its children.

(computer science, cryptography) A binary hash tree.

Magnolia tripetala, the umbrella magnolia. / Musanga cecropioides, the African corkwood. / Polyscias murrayi, an Australian rainforest tree. / Schefflera actinophylla, the octopus tree.