Nigel Cattlin / Orange balsam (Impatiens capensis). Kennet and Avon Canal, Berkshire, England, UK. August.

Nigel Cattlin / Orange balsam (Impatiens capensis) flowering and seeding at edge of Kennet and Avon Canal, Berkshire, England, UK. August.

Heather Angel / Grand balsam (Impatiens grandis) with long spur. Pollinated by butterflies, native to India and Sri Lanka. Focus stacked, cultivated plant.

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...

Heather Angel / Balsam (Impatiens rosulata) with yellow nectar guides. Endemic to Kitulo Plateau, Tanzania.

Heather Angel / Balsam (Impatiens bicaudata) flowers with lines leading to nectaries. Cultivated. Native to Madagascar.

Heather Angel / Bumblebee (Bombus sp) nectaring on Himalayan balsam (Impatiens glandulifera). Surrey, England, UK. September.

Heather Angel / Congo cockatoo (Impatiens niamniamensis) flower, backlit with nectar level visible in spur. Cultivated in glasshouse. Native to Africa.

Felis Images / Flowers (Impatiens stenantha) West Bengal, India.

Felis Images / Flowers (Impatiens pradhanii) flowers. West Bengal, India.

Felis Images / Touch-me-not (Impatiens falcifer) flower, Sikkim, India.

Felis Images / Touch me not (Impatiens) flower, West Bengal, India.