Focus on Insula dulcamara and discuss the Analysis.
However, a newer analysis by academic Chris Pike suggests that the symbols represent Klee's own identity and mortality, spelling out his name and referencing aspects of his life and interests. Starting at the centre-left enclosed dot sign representing "origin", it is possible to discern the letters of the word Paul. The letters of the word Klee are not as obvious but can be determined with imagination, especially in comparison with his written signature. The pale face in the letter P may represent his skin tones resulting from his medical condition and approaching death. The red spots may represent the berries of the Solanum dulcamara (woody nightshade) plant mentioned in the work's title.
Solanum dulcamara