Portuguese
acácia amarela 
Tropical American thorny shrub or small tree; fragrant yellow flowers used in making perfumery.
Portuguese
delonix regia 
South Australian tree having panicles of brilliant scarlet flowers.
Portuguese
nuytsia A terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses.
1
The flame trees have seen the worst things man has to offer.
2
Flame trees, coconut palms, and a ball-point-blue Atlantic composed the background.
3
Singing at the top of our lungs to Flame Trees.
4
Lightning branched through the darkness like flaming trees.
5
Flame trees, chinaberries, and thickets of hibiscus, oleander, and passion lilac sprout from nooks where indoors and outdoors now blend.
6
Which, even now, lacks the flame trees, 30-degree temperatures, and nightly chorus of cicadas that are features of his current domicile.
7
The sun shone in the streets, the flame trees brightened the far hills, the deep verandahs shaded the shop windows of the town.
8
The New Yorker, June 5, 1965 P. 132 At Aqueduct, Our Michael won by six lengths from Timely Move, with Flame Tree third.