Digitalisilla

Digitalisilla is a small genus of flowering plants in the family Plantaginaceae. It is closely related to Digitalis (foxgloves) and consists of a handful of species distinguished by their tall, herbaceous habit and tubular, two-lipped flowers arranged on vertical inflorescences. The name combines digitalis with the diminutive suffix -illa, reflecting its resemblance to foxgloves but smaller stature in some species.

Description: Digitalisilla plants are perennial herbs that reach roughly 0.6–1.5 meters in height. Leaves are opposite, rough-textured, and lanceolate with crenate margins. The inflorescence is a tall spike with tubular flowers that typically hang along one side. Flower color varies by species and can include purple, pink, white, or yellow, often with a contrasting throat. The flowering period is late spring to summer.

Distribution and habitat: Native to temperate regions of Europe and western Asia, Digitalisilla species grow in woodland clearings, meadows, and damp, well-drained soils. They prefer sunny to partially shaded sites and fertile, moist ground but tolerate a range of conditions with adequate moisture.

Chemistry and safety: Like Digitalis, Digitalisilla species contain cardiac glycosides in their tissues and are toxic if ingested. All parts are potentially hazardous to humans and livestock.

Taxonomy: The placement of Digitalisilla within Plantaginaceae reflects modern molecular classifications; older systems sometimes placed related taxa in Scrophulariaceae. The exact number of species and their names may vary with new research.

See also: Digitalis, foxglove; Plantaginaceae.