Serianthes nelsonii is a large tree endemic to Guam and Rota of the Mariana Islands.

Serianthes nelsonii seedlings are being raised on protected lands for transplantation back into the wilds of Guam.

[4] Guam's single mature Serianthes nelsonii, known as the "mother tree," existed within the Multipurpose Machine Gun Range at Camp Blaz in Ritidian.

[5] In June 2019, the Legislature of Guam passed a resolution urging a halt to the planned military buildup and construction until the impact to Serianthes nelsonii could be investigated.

[7] 4,007 seeds have been collected from the mother tree and are being used for outplanting initiatives, but seedlings face threats from invasive pigs and deer.