[Clovers: The Genus Trifolium East of the Cascade Mountains of Oregon and Washington]

Douglas' Clover

Trifolium douglasii

Flower of Douglas' Clover: Trifolium douglasii

This photo shows a close-up of the calyx and corolla of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington.......... July 7, 2008. Note the pink tip to the keel, the very slender wing petals and the distinctive calyx, with the upper 2 pairs of calyx lobes conspicuously turned downward.

Banner of Douglas' Clover: Trifolium douglasii

This photo shows a close-up of the banner, keel and wing petals of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington......... July 7, 2008. The banner on most flowers seems to be swept forward closely over the keel, but a few individuals have banner bent backwards sharply like in this flower.

Calyx and corolla of Douglas' Clover: Trifolium douglasii
This photo shows a close-up of the calyx and corolla of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington.......... July 7, 2008.

Stem leaves of Douglas' clover: Trifolium douglasii - Stem leaf of Douglas' clover: Trifolium douglasii
These 2 photos show a close-up of the stem leaves of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington......... July 7, 2008.

Flower head of Douglas' Clover: Trifolium douglasii

This photo shows a close-up of the flower head of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington........ July 7, 2008.

Douglas' clover: Trifolium douglasii - Douglas' Clover: Trifolium douglasii

These 2 photos show the form of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington....... July 7, 2008.

Habitat of Douglas' clover: Trifolium douglasii

This photo shows the habitat of Douglas' clover as seen from the Umatilla N. F. of southeastern Washington........ July 7, 2008. It is a plant of streambanks and meadows. In this instance, the species is growing in a disturbed meadow in a swale at the head of a creek.

Paul Slichter