#amsonia
- Amsonia — A taxonomic genus of perennial herbaceous plants within the Apocynaceae family, primarily native to North America and East Asia, popularly known as bluestars; these plants are valued in horticulture and garden design due to their characteristic star-shaped light blue or azure flowers, high structural drought resistance, and the intense yellow color that the foliage assumes during the autumn season.
- Amsonia angustifolia — The scientific name of a perennial herbaceous plant species in the genus Amsonia, native to the south-central United States; it is structurally characterized by extremely narrow, linear leaves resembling conifer needles and clusters of star-shaped, pale blue flowers. It is valued in horticulture for its exceptional drought resistance and the intense golden color its foliage assumes in autumn.
- Amsonia tabernaemontana — The type species of perennial plant in the genus Amsonia, native to moist woodlands and meadows of North America; it is structurally distinguished by lanceolate leaves similar to willow leaves and dense clusters of soft, light blue star-shaped flowers. It is widely used in landscape design due to its high adaptability to varying light and soil types, as well as its resistance to pests.