Novalis is Georg Philipp Friedrich Freiherr von Hardenberg (1772-1801). A German writer who helped define German Romanticism, he was a key influence on MacDonald. Heinrich von Ofterdingen (1802) is a fantastical romance that concerns a young poet in search of love, who has dream visions. A central symbol in the work is a blue flower, which has become an icon for German Romanticism.
Friedrich, Georg Philipp, "Phantastes Chapter 2: Heinrich von Ofterdingen" (1802). German Romantic and Other Influences. 2.