Although I am not from Hawaii, I do know what some of those flowers are.

Letter B: African iris
Letter C: Bromeliad (Puya?)
Letter D: Phaelenopsis orchid
Letter F: Bromeliad (Puya?)
Letter G: Clerodendrum (Glory Bower Vine?)
Letter J: Guzmania bromeliad
Letter L: Tiare/Tahitian Gardenia
Letter M: Azalea
Letter O: Guzmania bromeliad
Letter P: Anthurium
Letter T: Mandevilla?

I can identifiy a couple.

E & G are both Clerodendrums thomsoniae -
Aka: Bleeding Heart Vine -just different species.

K - is a Antigonon leptopus aka: coral vine

T - is Cryptostegia grandiflora aka: India Rubber Vine or Purple Allamanda

........cheryl

Q is a Cannonball Tree

A. Alpinia purpurata - Red Ginger
B. Dietes bicolor - African Iris
C. Ananas comosus variegatus, or possibly A. bracteatus v. tricolor - Variegated Pineapple
D. Vanda hybrid
E. Clerodendrum x speciosum
F. Ananas comosus - Pineapple
G. Clerodendrum thomsonae - Bleeding Heart
H. Galphimia gracilis
I. Guzmania hybrid, possibly 'Graaf Van Hoorn'
J. Guzmania 'Torch'
K. Antigonon leptopus - Mexican Creeper
L. Gardenia taitensis - Tiare
M. Rhododendron indicum - Azalea
N. Mimosa pudica - Sleeping Grass/Sensitive Plant
O. Guzmania hybrid, possibly 'Luna' or 'Ruby'
P. Anthurium andreanum
Q. Couroupita guianensis - Cannonball Tree
R. orchid hybrid in the Oncidium/Brassia/Miltonia tribe (?)
R-2 (S?). Leucaena leucocephala - Koa Haole
T. Cryptostegia madagascariensis - Purple Allamanda/Madagascar Rubber Vine