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Allium atropurpureum grows from a spherical to egg-shaped bulb. Its scape is up to 100 cm (39 in) tall. The green, [4] leaves are broadly linear, up to 7 mm across, tapering at the tip. [5] It blooms in late spring and early summer, [4] the umbel is hemispherical, with many dark purple flowers.
Geum triflorum, commonly known as prairie smoke, old man's whiskers, or three-flowered avens, is a spring-blooming perennial herbaceous plant [3] of the Rosaceae family. It is a hemiboreal continental climate species that is widespread in colder and drier environments of western North America, although it does occur in isolated populations as far east as New York and Ontario. [4]
Cyclamen hederifolium and Cyclamen purpurascens bloom in summer and autumn, Cyclamen persicum and Cyclamen coum bloom in winter and Cyclamen repandum blooms in spring. [15] Each flower is on a stem coming from a growing point on the tuber. [15] In all species the stem is normally bent 150-180° at the tip so that the nose of the flower faces ...
Dalea purpurea is a species of flowering plant in the legume family known as purple prairie clover. [5] Native to central North America, purple prairie clover is a relatively common member of the Great Plains and prairie ecosystems. It blooms in the summer with dense spikes of bright purple flowers that attract many species of insects.
The usual flower colour is a shade of purple (often a light purple or "lilac"), but white, pale yellow and pink, and even a dark burgundy color are also found. The flowers grow in large panicles, and in several species have a strong fragrance. Flowering varies between mid spring to early summer, depending on the species.
Description. American wisteria can grow up to 15 m long over many supports via powerful counterclockwise-twining stems. It produces dense clusters of blue-purple, two-lipped, flowers 2 cm ( in) wide on racemes 5–15 cm (2–6 in) long in late spring to early summer. These are the smallest racemes produced by any Wisteria.
Trillium erectum is a perennial, herbaceous, flowering plant that persists by means of an underground rhizome.Like all trilliums, it has a whorl of three bracts (leaves) and a single trimerous flower with three sepals, three petals, two whorls of three stamens each, and three carpels (fused into a single ovary with three stigmas).
Viola sororia is a short-stemmed, herbaceous perennial plant that grows in well-drained and shady habitats. [5] This 15–25 centimeters (6–10 in) wide violet has glossy, heart-shaped leaves and are topped with purple flowers with white throats. The lower three petals are hairy and the stem of the flower droops slightly. [7]