[Lupines: The Genus Lupinus in Mt. Adams Country]

Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine

Lupinus latifolius ssp. latifolius

Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus

Flower of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

The photo above shows a close-up of the flower of broadleaf lupine in dry, sandy soils at the base of Potato Hill, to the north of Mt. Adams at the boundary between the Gifford Pinchot NF and Yakama Indian Reservation..............June 21, 2005.

Raceme of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

The photo above shows the open raceme of broadleaf lupine in dry, sandy soils at the base of Potato Hill, to the north of Mt. Adams at the boundary between the Gifford Pinchot NF and Yakama Indian Reservation.........June 21, 2005. The flowers of this species appear to be ranked, with clusters of flowers arising in a whorl at approximately the same point on the stem.

Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

The photo above shows broadleaf lupine in dry, sandy soils at the base of Potato Hill, to the north of Mt. Adams at the boundary between the Gifford Pinchot NF and Yakama Indian Reservation..........June 21, 2005. Although similar in appearance to large-leaf lupine (Lupinus polyphyllus) or Lupinus burkei, this species is typically found in drier, sandier soils and has leaves with a smaller diameter, and racemes that are typically more open.

Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

Leaf of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Flower of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Flower of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

The photos above show various views of a young broadleaf lupine as seen along Road #23 on private lands next to a clearcut just south of the Gifford Pinchot N.F. boundary on the south side of Mt. Adams.........June 2, 2007.

Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

Broadleaf lupine observed just east of the Klickitat Breaks, Klickitat Wildlife Area.......May 26, 2020.

Flower of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Flower of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

Flower bud of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus) - Leaf of Broadleaf Lupine, Broad-leaf Lupine, Suksdorf's Lupine: Lupinus latifolius var. latifolius (Synonyms: Lupinus latifolius ssp. latifolius, Lupinus latifolius var. thompsonianus, Lupinus rivularis var. latifolius, Lupinus sericeus var. thompsonianus)

The photos above show close-ups of what appears to be broadleaf lupine as seen along Lakeside Road in Conboy Lake NWR...........June 21, 2008. The plants at this location, and across the east to west gradient of the refuge show great variablilty in their appearance. Many have unbranched stems, and numerous appressed haris atop the leaflets. Some have ciliated keels while others do not.

Paul Slichter