Flora of the Hawaiian Islands
Dicotyledon Literature for Sisymbrium officinale var. officinale
Wagner et al., 1990, 1999. Literature for Sisymbrium officinale
Wagner et al., 1990, 1999. Literature for Sisymbrium officinale var. leiocarpum
Wagner et al., 1990, 1999.
   Brassicaceae -- The Caper, Mustard Family Bibliography
      Sisymbrium officinale

Common name(s): hedge mustard, hedge mustard
General Information
DistributionNative to Europe, now widely naturalized.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.
















Habit
Erect, unbranched to many-branched annual herbs, hirsute at least below.
Leaves
Leaves lyrate-pinnatifid to pinnately divided, 7-15 cm long, usually 3-7 cm wide, the segments coarsely dentate, upper leaves smaller, lanceolate to hastate.
Flowers
Pedicels stout, erect, ca. 2 mm long in fruit; sepals ca. 2 mm long, sparsely hirsute; petals pale yellow, ca. 3 mm long.
Fruit
Siliques subulate, strictly erect and appressed to the stem, 1-2 cm long, hirsute or glabrous.
Seeds
Seeds ca. 1 mm long.
Chromosomes
2n = 14