â  First, variables are defined by conceptual definitions. (constructs) that explain the concept the variable is. attempting to capture. â  Second, variables are defined by operational. definitions; that is, definitions of how variables will be. measured.
PASSIONFLOWER Overview Information. Passionflower is a plant. The above ground parts are used to make medicine. Passionflower is used for sleep problems (insomnia), gastrointestinal (GI) upset related to anxiety or nervousness, generalized anxiety disorder (GAD), and relieving symptoms related to narcotic drug withdrawal.
Passiflora, the passion flowers or passion vines, is a Genus of about 500 Species of Flowering plants, the namesakes of the family Passifloraceae.They are mostly Vines, with some being Shrubs, and a few species being Herbaceous.For information about the fruit of the passiflora plant, see Passionfruit.ine species of Passiflora are native to the USA, found from Ohio to the north, west to California and south to the Florida Keys. Most other species are found in South America, China, and Southern Asia, New Guinea, four or more species in Australia and a single endemic species in New Zealand.