[Tumble Mustards: The Genus Sisymbrium in the Columbia River Gorge of Oregon and Washington]

Hedgemustard, Hedge Mustard

Sisymbrium officinale

Synonyms: Erysimum officinale, Sisymbrium officinale var. leiocarpum, Sisymbrium officinale var. officinale

Erect pod of Hedgemustard, Hedge Mustard: Sisymbrium officinale (Synonyms: Erysimum officinale, Sisymbrium officinale var. leiocarpum, Sisymbrium officinale var. officinale) - Closely appressed, erect pods of Hedgemustard, Hedge Mustard: Sisymbrium officinale (Synonyms: Erysimum officinale, Sisymbrium officinale var. leiocarpum, Sisymbrium officinale var. officinale)

Two close-up images of the siliques of hedge mustard, the key feature for identifying this species. The siliques, which measure 8-15 mm long, taper gradually from the base to their tip, and are closely and tightly appressed to the stem.

Stem leaf of Hedgemustard, Hedge Mustard: Sisymbrium officinale (Synonyms: Erysimum officinale, Sisymbrium officinale var. leiocarpum, Sisymbrium officinale var. officinale)

The photo above shows a close-up of the leaf of hedge mustard.

Paul Slichter