Sicklepod Rockcress, Black-flowered Rockcress, Hairystem Rockcress
Boechera pauciflora
Synonyms: Arabis campyloloba, Arabis holboellii, Arabis holboellii var. pinetorum, Arabis perelegans, Arabis sparsiflora, Arabis sparsiflora var. columbiana, Arabis sparsiflora var. subvillosa, Boechera sparsiflora var. subvillosa
The photo above shows the general form of sicklepod rockress as seen at a rock quarry along road K5000 on the eastern slopes of Mt. Adams.........May 29, 2006. Many plants tend to exist as solitary stems rather than multiple stems from the base.
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Examples of fairly mature sicklepod rockcresses with both flowers and maturing fruits on very elongated stems. Photographed on public lands along the Bickleton Highway west of Rock Creek, Klickitat County, WA...........May 17, 2014.
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What might be sicklepod rockcress as seen atop Grassy Knoll, Gifford Pinchot National Forest...........June 3, 2014. I've based this on the fact the basal leaves appear to have some toothed edges. If not this species, then possibly Boecher sparsiflora.
Paul Slichter