👉 Scleroglossum is a genus of flowering plants in the family Caryophyllaceae, commonly known as the common or lily-of-the-valley plant. This genus contains around 100 species that are native to North America and Europe. The flowers are often arranged in groups called inflorescences, which can be either terminal or axillary. Scleroglossum plants have a distinctive, curved shape with numerous small spines at the base of their