Birdsfoot Trefoil, Birdsfoot-trefoil, Garden Bird's-foot Trefoil, Birdfoot Deervetch
Lotus corniculatus
Synonyms: Lotus corniculatus var. arvensis, Lotus tenuis
The photo above shows a close-up of the inflorescence
of birdsfoot-trefoil as seen along Forest Road #23 at a rock quarry just south
of the Lewis River Bridge, Gifford Pinchot National Forest.........August 6, 2005. All the photos on
this page were taken at this location.
The photo above shows a close-up of the inflorescence
of birdsfoot-trefoil as seen as seen from directly above. 3-15 flowers are typically
found in a compact umbel.
The photo above shows a close-up of the underside of the inflorescence
of birdsfoot-trefoil.
The photo above shows a close-up of a stem leaf of birdsfoot-trefoil.
The leaves of this species are sessile with 5 lobes, the lowest pair basal and
the distal trio of leaflets arising at the same point just beyond the basal
pair. A stalk which bears a head of flowers arises from the leaf axil.
The photo above shows birdsfoot-trefoil in its typical habitat,
in this case disturbed gravels at an old rock quarry along Forest Road #23 just
south of the Lewis River Bridge at the northwestern corner of Mt. Adams.........August
6, 2005.
The photo above shows a close-up view of the flower of birdsfoot-trefoil.
Note that the erect banner is positioned well back in relation to the wings
and keel. Note also the red lines on the banner.
The photo above shows a ventral view of the flower of birdsfoot-trefoil.
The wings are slightly longer than the keel. Note the long, loosely spreading
hairs on the narrow calyx lobes.
Paul Slichter