Beautiful! I can't imagine a big tree covered in flowers like that!
For a start, I will list those native to Brazil of which for a change there are not many!
Bignoniaceae Tabebuia aurea (Silva Manso) Benth. & Hook.f. ex S.Moore
Bignoniaceae Tabebuia cassinoides (Lam.) DC.
Bignoniaceae Tabebuia elliptica (DC.) Sandwith
Bignoniaceae Tabebuia fluviatilis (Aubl.) DC.
Bignoniaceae Tabebuia insignis (Miq.) Sandwith
Bignoniaceae Tabebuia nodosa (Griseb.) Griseb.
Bignoniaceae Tabebuia obtusifolia (Cham.) Bureau
Bignoniaceae Tabebuia pilosa A.H.Gentry
Bignoniaceae Tabebuia reticulata A.H.Gentry
Bignoniaceae Tabebuia rosea (Bertol.) Bertero ex A.DC.
Bignoniaceae Tabebuia roseoalba (Ridl.) Sandwith
Bignoniaceae Tabebuia stenocalyx Sprague & Stapf
I found examples of all of those of leaves if not flowers, none fit!
I think I have found it, Tabebuia chrysea
http://www.tropicsphere.com/ma...