Geranium sylvaticum L. |
Geraniaceae |
Visible
light (L37 filter) |
UV
light (Hoya U-360, SB-140) |
IR
light |
All images Nikon D1H , UV-Nikkor 105 mm f/4.5, @800
ISO |
A large-flowered
species with a strong UV signature in the fashion of a
typical bull's-eye pattern. The UV-absorbing central area
coincides with the visible-light nectar guide marks. It
is instructive to compare the UV marks of this species
with its close relative, G. pratense, and note the obvious differences between
these species. Wood Crane's Bill is sprinkled with purplish or bluish-magenta-hued flowers. They reflect strongly in near-IR, a fact which explains why their hues are quite difficult to capture on film or by digital means. |
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Last Update 25 June, 2003