Dave Kennard's photos with the Nectar guides

Forget me not flowers [Vis UV IR]

Forget me not flowers [Vis UV IR]
Wood Forget-me-not (Myosotis sylvatica) flowers photographed using visible light, ultraviolet light, and infrared light. The flower has a clear UV pattern (nectar guides), being darker near the centre than the edges. The old flowers appear much brighter t…
Added on May 23, 2013

Wild Strawberry (Fragaria vesca) [Vis UV IR]

Wild Strawberry (Fragaria vesca) [Vis UV IR]
Spectral comparison of a Wild Strawberry (Fragaria vesca) flower in reflected visible light (top), ultraviolet light (middle) and infrared light (bottom).
The flower has a clear UV nectar guide pattern, with the petals appearing darker at the base in ultr…
Added on June  5, 2013

Wisteria flower [Vis UV IR]

Wisteria flower [Vis UV IR]
A Wistera flower photographed in visible light (right), ultraviolet light (centre), and infrared light (right).

In visible light the flower appears white with a yellow colouration around the middle of the banner.

In ultraviolet light the base of the ban…
Added on June  5, 2013

Philadelphus coronarius 'Aureus' (Golden Mock Orange) Vis-UV-IR comparison

Philadelphus coronarius 'Aureus' (Golden Mock Orange) Vis-UV-IR comparison
Philadelphus coronarius 'Aureus' (Golden Mock Orange) photographed in visible, ultraviolet, and infrared light.

In visible light the plant has white flowers and yellow leaves.

In ultraviolet light the area around the base of each petal appears quite dar…
Added on August 15, 2013