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Bouteloua gracilis, the blue grama, is a long-lived, warm-season perennial grass, native to North America. [ 2 ] [ 4 ] [ 5 ] It is most commonly found from Alberta , Canada, east to Manitoba and south across the Rocky Mountains , Great Plains , and U.S. Midwest states, onto the northern Mexican Plateau in Mexico .
It is a perennial herbaceous plant, with elliptic, obtuse leaves. It grows as a vine or creeper, doing well in moist, neutral soil. Its most striking feature is the color of its flowers, a vivid deep blue; solitary, with light yellow markings. They are about 4 cm (1 + 1 ⁄ 2 in) long by 3 cm (1 + 1 ⁄ 4 in) wide. Some varieties yield white ...
Stachytarpheta jamaicensis is a species of plant in the family Verbenaceae, native throughout the Caribbean, [3] including Florida. [4] It has many common names including blue porterweed , blue snake weed , bastard vervain , Brazilian tea , Jamaica vervain , [ 5 ] light-blue snakeweed , [ 6 ] and, in St. Croix , worryvine . source?
The genus includes species with blue, white, yellow, and purple petals, often with a contrasting centre. Of the species in the United States, the Western Blue-eyed Grass (Sisyrinchium bellum ) is sometimes found with white flowers, while the California Golden-eyed Grass ( Sisyrinchium californicum ) has yellow flowers.
Cyananthus is a genus of flowering plants that includes 21 species of annual or mostly perennial herbs from high mountains of Central and East Asia. They are little Himalayan plants no higher than 4 in. The name comes from the Greek word for blue flowers. Leaves are usually small and simple, sometimes narrowing to base, tooth-lobed at summit.
Buddleja (/ ˈ b ʌ d l i ə /; orth. var. Buddleia; also historically given as Buddlea) is a genus comprising over 140 [3] species of flowering plants endemic to Asia, Africa, and the Americas.
Eremophila hygrophana, also known as the blue emu bush, [2] is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Australia. It is an erect, compact shrub with crowded, grey leaves and violet to purple flowers and is found in South Australia and Western Australia .
Sisyrinchium sarmentosum is a species of flowering plant in the iris family known by the common names mountain blue-eyed grass [2] and pale blue-eyed-grass. It is native to the Pacific Northwest of North America, where it is known from a part of the Cascade Mountains in Washington and Oregon. [1] This perennial herb grows up to 32 centimeters ...