Exotic plants from Singapore, maybe not native. I know that last two of very poor quality so I do not expect much for them
1. Possibly Lagerostroemia sp. Lagerostroemia indica maybe. http://en.wikipedia.org/wiki/Lagerstroemia 2. Looks like Allamanda cathartica. https://www.google.co.uk/search?q=A...Q&biw=1184&bih=594&sei=7it_UL6AB-Sh4gS41YHwCA 3. Looks like Hymenocallis sp. http://www.google.co.uk/search?q=Hy...Q&biw=1536&bih=776&sei=gix_UKnTJLD54QTz44CYBA 4. Heliconia sp. 5.? 6. Looks like Pseuderanthemum reticulatum. http://www.google.co.uk/search?q=ps...w&biw=1536&bih=776&sei=dC5_UOerLqz44QTQv4G4DQ
I wasn't sure about Lagerstroemia, but actually I can see similarity and I agree with all others, thank you.