Colors on a rainy day

red flowers

Ixora coccinea, commonly called Jungle Geranium, is found in the Rubiaceae family (same family as coffee)

pink flower

Mimosa pudica, or Sensitive plant, found in the Fabaceae family, subfamily Mimosoideae

white flower

Plumeria sp., found in the Apocynaceae family

pink flower

Adenium obesum, or Desert Rose, is also found in the Apocynaceae family.

blue flower

Salvia azurea, or Blue Sage, is found in the Lamiaceae family.