Unusual/exotics seed list

I'm after other tropical plant seed like Hedychiums,Lobelia excelsia and succulents.Here's my list:

Canna glauca/indica
Agapanthus africanus/praecox
Entelea arborescens (like Sparmannia)
Anthirrinum procumbens (trailing perennial)
Cynara cardunuculus (Cardoon)
Echium pininana/fastuosum
Brugmansia sanguinea ‘Tresco’
Lotus hirsutum
Astelia chatamica ‘Silver Spear’
Gunnera manicata
Crithmum maritima (succulent)
Impatiens noli tangere
Solanum sisymbrifolium
Penstemon skildblom mixed
Thai chilly Peppers
Portulaca mixed
Aquelegia ‘Mckana giants’
Celosia ‘Plume mixed’
Eucomis comosum
Helichrysum ‘Double mixed’

Hello,
I'm interested in the Aquilegia, but I don't have tropical ones.

I have Phlomis Samia
Ligularis (Yellow flowers) purple leaves
Rudbeckia (bronze)

Let me know please

I have a greenhouse full of suculents, many with seed pods, what are you looking for in this area?
Tommie