[Rockcress: The Genus Arabis and Boechera in the Columbia River Gorge of Oregon and Washington]

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

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.

Flowers and seed pods of 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) - 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)

Seed pods and upper stem leaves of 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) - Stem leaves of 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) - Basal leaves and lower stem leaves of 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)

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.

Basal leaves and lower stem leaves of 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 - Upper stem leaves and siliques of 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

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