catharanthus roseus g don ,apocynaceae or madagascar periwinkle or vinca or old maid flower

apocynaceae catharanthus roseus madagascar periwinkle old maid west indian paeriwinkle bloom blossom botany flora floral flower background farm garden gardening green leaf leaves grow growth harmony herbal house plant ludwigia adscendens meadow minor natural nature ornamental outdoor park petal pink spring thailand tree tropical vibrant vinca