the flowers of calotropis(milkweeds

periploca cochinchinensis lour medicine streptocaulon cochinchinense crown flower sunlight environment park bright plant background tree giant white bloom beautiful spring branch freshness calotropis fresh purple blooming outdoor gigantea leaf nature green petal botany closeup natural floral leaves botanical flora asia agriculture growth garden procera blue tropical blossom summer petals colorful milkweed apocynaceae flowers calotropismilkweeds umbellate lateral cymes colored pink fragrant case fragrance rarer cases light green-yellow