''Wahlenbergia albomarginata's''
corolla form a bell-like flower, an occurrence which is formally described as 'narrow-campulate-rotate'. A single, long-tubed flower is produced atop each vertical, naked stem. In cases where teeth are present on leaf margins, they tend to be unremarkable. Morphologically, leaves range from linear to elliptic or ovate to obovate, where lamina gradually narrow to the petiole. == Range ==