Koki'o (Kokai cookei)
photo source: https://pixabay.com
The tree discovered in 1860, in Hawaii, was considered missing since the 1950s. After 20 years, a single copy was found, then destroyed in a fire in 1978. However, it was managed to save a branch, then grafted into 23 different trees, and the plant managed to adapt.
photo source: https://pixabay.com