Nigel Cattlin / Orange balsam (Impatiens capensis) flowering and seeding at edge of Kennet and Avon Canal, Berkshire, England, UK. August.
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Claudio Contreras / Jeffrey pine (Pinus jeffreyi) and White Fir (Abies concolor) forest. Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.
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Heather Angel / Grand balsam (Impatiens grandis) with long spur. Pollinated by butterflies, native to India and Sri Lanka. Focus stacked, cultivated plant.
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Heather Angel / Himalayan balsam (Impatiens glandulifera), dissection of flowers. Male phase above, downward projecting stamens release pollen onto backs of bumblebees and honey bees. Female phase below with downward...
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Heather Angel / Balsam (Impatiens rosulata) with yellow nectar guides. Endemic to Kitulo Plateau, Tanzania.
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Heather Angel / Balsam (Impatiens bicaudata) flowers with lines leading to nectaries. Cultivated. Native to Madagascar.
John Shaw / Arrowleaf balsamroot (Balsamorhiza sagittata) and lupine Lupinus lepidus) in the dry hills along the eastern end of the Columbia Gorge. Washington, USA. April.
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Nick Upton / King Juba's spurge (Euphorbia regis-jubae) and Balsam spurge (Euphorbia balsamifera), flowering below Famara cliffs, Lanzarote, Canary Islands, February.
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Nick Upton / Balsam spurge / Sweet tabaiba (Euphorbia balsamifera) bushes growing on ancient lava flows with Monte Corona volcanic peak in the background, Malpais de la Corona, Lanzarote, Canary Islands, February.