Mt. Adams Lupine, Silky Lupine
Lupinus sericeus var.
sericeus
Synonyms: Lupinus alpicola, Lupinus buckinghamii, Lupinus fikeranus, Lupinus flavicaulis, Lupinus flexuosus, Lupinus huilcoflorus, Lupinus ramosus, Lupinus sericeus Pursh ssp. sericeus, Lupinus sericeus Pursh var. fikeranus, Lupinus sericeus Pursh var. flexuosus, Lupinus sericeus Pursh var. subflexuosus, Lupinus spiraeaphilus, Lupinus tuckerianus
[Click here for additional photos of this
plant.]
The photo above shows a large, robust silky lupine as seen along the Round the Mt. Trail #9, a short distance west of its junction with the Shorthorn Trail #16 in the Mt. Adams Wilderness...........August 24, 2008.
The photo above shows silky lupine as seen at about 7100'
along the Highline Trail #114 on the northeastern flanks of Mt. Adams.........July
24, 2005. Some of the flowers had spurred calyces.
The photo above shows Mt. Adams lupine in dry,
sandy soils on the south-facing slopes 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 photo above shows a close-up of the unopened flower of
Mt. Adams lupine as seen on the southern slopes of Potato Hill which
is to the north of Mt. Adams at the boundary between the Gifford Pinchot NF
and Yakama Indian Reservation.........June 21, 2005. Note the white hairs
on the back of the banner which help distinguish this species from other lupines
in the area.
The photo above shows theleaf of Mt. Adams
lupine in dry, sandy soils on the south-facing slopes of Potato Hill, to the
north of Mt. Adams at the boundary between the Gifford Pinchot NF and Yakama
Indian Reservation...........June 21, 2005. Note that the leaves are often
folded so that the hairier lower leaf surfaces become visible (and thus help
warm or reflect UV light from the leaf).
The leaves of Mt. Adams lupine as seen above
Hell Roaring Overlook at the southeastern corner of Mt. Adams..........August
4, 2001.
A pure white form of Mount Adams lupine as seen at the southern base of the lateral moraine for the Mazama Glacier at the southeast corner of Mount Adams.........August 12, 2013.
Paul Slichter