Yellow hibiscus

Plectranthus scutellarioides (Flame Nettle, Painted Nettle, Coleus)

Rain Lily (Zephyranthes rosea)

Crimson periwinkle

Gardenia tubifera (Pekan Heran, Water Gardenia, Chempaka Utan) - fallen flower

Flower on its tree - 
Click to enlarge

Caesalpinia pulcherrima (Dwarf Poinciana, Pride of Barbados)

Alpinia purpurata (Red Ginger, Lengkuas)

Common Cockscomb (Celosia cristata)

Red Butterfly Wing (Christia vespertilionis, Mariposa)

Jatropha integerrima (Peregrina, Shanghai Beauty, Rose-flowered Jatropha)

Lagerstroemia speciosa (Queen's Crepe Myrtle)

Pink and yellow Ixora

Pink Petunia

Petunia (Petunia hybrida)

Mexican Turk's Cap (Pavonia sp)

Flower of the sweet potato

Golden Penda (Xanthostemon chrysanthus)

Brunfelsia pauciflora (yesterday-today-and-tomorrow, kiss me quick)

Bunchosia armeniaca (peanut butter fruit plant)

Yellow Mussaenda

Elegant Dutchman's pipe (Aristolochia littoralis)

Front view

Back view

Lady of the Night (Brunfelsia nitida)

Calliandra haematocephala 'Alba' (white powderpuff)

Aglaia odorata (Chinese perfume plant)

           

Lonicera japonica (Japanese honeysuckle) 金银花

Victoria Amazonica (Amazon water lily)

Argyreia nervosa (Hawaiian baby woodrose, elephant creeper, woolly morning glory)

A species of the allamanda?

Water Hyacinth

Still trying to find out its name...

Fruit of the Japanese bamboo (Dracaena Surculosa)

-

PS (29 Apr 2015) - It is the Tabernaemontana Corymbosa / Divaricata. (commonly called Pinwheel Flower, Crape Jasmine, East India Rosebay and Nero's Crown) Thanks to comment from visitor.

Yellow flame (Peltophorum pterocarpum)

Red hibiscus with multi-layered petals

Little yellow flowers of a weed

This is probably the Ixeris chinensis

Episcia (Flame violet)

-

Wonder wonder what's the name...

Japanese bamboo (Dracaena Surculosa)

Pink hibiscus

Beautiful leaves

yellow bells (tecoma stans)

Euphorbia milii (crown of thorns)

Plumbago auriculata (blue plumbago, Cape leadwort)

Rosy periwinkle (Catharanthus roseus)

Water Lilies

Haven't found out its name yet. Grown in a pot outside someone's home.

PS (26 Apr 2015) - I think it is the Angelonia Angustifolia, commonly known as Summer Snapdragon or Angel Flower

Calliandra tergemina (Baja Fairy Duster)