#north american flora

• Carolina anemone — A species of perennial herbaceous plant in the family Ranunculaceae, native to the central and southeastern regions of the United States. This prairie plant grows on dry, sandy, or calcareous soils, featuring a tuberous rhizome from which delicate stems emerge, each bearing a single solitary flower with numerous petaloid sepals that range from white and pink to light violet, blooming in early spring.
• Antennaria parvifolia — A species of perennial herbaceous plant in the Asteraceae family, native to the mountainous and arid regions of North America, commonly known as 'small-leaf pussytoes'. This stoloniferous plant is adapted to drought and poor soils, forming low, dense vegetative mats characterized by small, spatulate basal leaves covered with a dense woolly tomentum, and whitish or pinkish flower heads.
• Aquilegia caerulea — A species of herbaceous perennial plants in the genus Aquilegia, native to the Rocky Mountains of North America; this structural plant features large, spectacular, typically bicolor flowers (with white petals and blue sepals), being declared the official state flower of Colorado and frequently used as an ecological symbol and luxury decorative plant.
• Aquilegia skinneri — A species of herbaceous perennial plants in the genus Aquilegia, native to the mountainous zones and humid canyons of northwestern Mexico (Sierra Madre Occidental); this structural plant is famous for its spectacular tricolor flowers, featuring greenish-yellow sepals, yellow inner petals, and exceptionally long, bright orange-red nectar spurs.
• Arctostaphylos — A genus of higher plants in the Ericaceae family, comprising approximately 60 species of evergreen, low-growing or trailing shrubs, predominantly distributed in the mountainous and coastal regions of western North America. The main structural characteristic of these plants is their smooth, glossy, deep reddish-brown bark, leathery leaves, and globose fruits resembling small red or brown berries, commonly known as manzanitas or bearberries.
• Arundinaria — A genus of perennial plants in the Poaceae family, Bambusoideae subfamily, comprising bamboo species native primarily to the temperate regions of North America. These plants are characterized by running or leptomorph rhizomes, woody culms that often branch at the nodes, and complex inflorescences. It represents the only bamboo genus native to the North American continent, holding major ecological importance in forming canebrake habitats.