Trachelium caeruleum

Trachelium caeruleum (common name blue throatwort) is a species of flowering plant in the family Campanulaceae native to the Mediterranean, where its native range includes Algeria, Morocco, Portugal, Spain, and Sicily. It has also become naturalized in a few areas, including New Zealand, the Azores, and parts of mainland Europe.

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• Flor de viuda trachelium caeruleum www riomoros com
• Flor de la viuda o alfileres trachelium caeruleum plantas ornamentales
• References

Growing to 120 cm (47 in) tall by 30 cm (12 in) wide, it is a woody-based erect herbaceous perennial, with oval leaves and dense cushions of violet-purple flowers in summer. The specific epithet caeruleum means "dark blue".

In temperate climates this plant is usually grown as a half-hardy annual for summer bedding schemes or planters. It has gained the Royal Horticultural Society's Award of Garden Merit. There are many cultivars with a variety of flower colors, including white, red, pink, and dark purple.