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The beautiful sapphire blue flowers of Lobelia erinus, a popular summer bedding plant
Blue cardinal flower (Lobelia siphilitica) in a pollinator meadow at a Connecticut nature preserve, September. Also known as great blue lobelia.
blue lobelia isolated on white background
Phacelia tanacetifolia blue tansy
Blue lobelia flowers isolated on white background.
Field of Texas Bluebonnets and a lone Indian Paintbrush. Wildflowers.
ルリミゾカクシ\n\nLeica Q2\nSUMMILUX F/1.7 28mm ASPH.
Alpine flowering plant
Blue Delphinium Grandiflorum \
Lobelia erinus
Blue lobelia Lobelia erinus closeup in the garden.
Natural pattern of  Brunnera Macrophylla 'Silver Heart' silvery foliage and blue flowers
Beautiful lobelia small flowers on flower bed in summer garden. Close up of cascade purple primula flowers blooming in spring. Garden plants. Spring and summer background of blooming flowers
Nigella damascena, also known as Love-in-a-mist and Devil in the bush, is an annual garden flowering plant, which belongs to the buttercup family Ranunculaceae. Native to southern Europe, north Africa and south-west Asia, it is found on neglected, damp patches of land. Its common name “Love-in-a-mist” comes from the flowers being nestled in a ring of multifid, lacy bracts. The flowers, blooming in early summer, are most commonly different shades of blue, but can be white, pink or pale purple, with 5 to 25 petals.
a field with blossoming lobelia in the garden
Adelinia grande, previously known as Cynoglossum grande, is a species of flowering plant in the borage family known as Pacific hound's tongue.  Boraginaceae
Blue lobelia (Lobelia erinus) closeup
Lobelia chinmensis
blue lobelia isolated on white background
Delicate pale lavender blue flowers on a Polemonium Reptans plant - more commonly called Jacob's Ladder 'Stairway to Heaven'.
Blue lupine flowers blooming in forest park
Very Rare, Beautifully Illustrated Antique Engraved and Hand Colored Victorian Botanical Illustration of Whitlow Pepperwort, Lepidium Draba, 1863 Plants. Plate 158, Published in 1863. Source: Original edition from my own archives. Copyright has expired on this artwork. Digitally restored.
Salvia plebeia or Shilajita is an annual or biennial herb that is used in traditional medicine
A close-up image of small vibrant purple, yellow and blue color Lobelia flowers in a potted plant hanging basket with a selective focus on the foreground.
Limonium Perezii, small purple and white flowers with a long flowering period that attracts bee insects and butterflies
Lobelia Erinus
Lobelia erinus many blue flowers with green
blue wildflowers against a soft green background
Blue blooming flowers of lobelia on white background. Campanulaceae. Space for text.
Jatropha podagrica is a caudiciform perennial herb growing up to 1 meter tall. The grey-green, knobby, swollen caudex has a bottle-like appearance, giving rise to some of the common names. Jatropha podagrica is a succulent plant in the family Euphorbiaceae. It is native to the tropical Americas but is grown as an ornamental plant in many parts of the world due to its unusual appearance. Common names include Gout Plant, Gout Stalk, Guatemalan Rhubarb, Coral Plant, Buddha Belly Plant, Purging-Nut, Physic Nut, Goutystalk Nettlespurge, Australian Bottle Plant, and Tartogo.
Free Images: "bestof:Lobelia nuttallii illustration Britton and Brown.tif en Nuttall's lobelia Lobelia nuttallii illustration 1913 http //plants usda gov/java/largeImage imageID"
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