Dave Kennard's photos with the Iridaceae

Iris sibirica 'Tropic-night' flower Vis-UV-IR

Iris sibirica 'Tropic-night' flower Vis-UV-IR
Comparison of a Iris sibirica 'Tropic-night' flower in visible light (left), ultraviolet light (centre), and infrared light (right).

In ultraviolet light the flower's throat has clear dark markings along the centre, acting as a Nectar guide to bees and o…
Added on June 11, 2013

Crocosmia sp. (Montbretia) flowers Vis UV IR comparison

Crocosmia sp. (Montbretia) flowers Vis UV IR comparison
A comparison of how Montbretia flowers appear in visible light (top), ultraviolet light (middle), and infrared light (bottom).

In visible light the flowers appear red with a yellow throat.

In ultraviolet the throat of the flower is much darker. These UV…
Added on August 24, 2013

Gladiolus × hortulanus 'Priscilla' Vis UV IR comparison

Gladiolus × hortulanus 'Priscilla' Vis UV IR comparison
Gladiolus × hortulanus 'Priscilla' flower photographed in visible light (top), ultraviolet (middle), and infrared (bottom).

In visible light the flower is pale pink with a yellow centre and deeper pink edges.

In ultraviolet light the area near the edge…
Added on August 31, 2013

Purple Crocus

Purple Crocus
Close-up of a purple spring flowering Crocus.

Crocuses grow in a wide range of habitats, including woodland, scrub and meadows. There are around 80 different species of Crocus, around 30 of which are cultivated.

Crocuses are commonly planted in gardens…
Added on March 19, 2010