Flora of the Hawaiian Islands
Dicotyledon Literature for Lepidium virginicum
Wagner et al., 1990, 1999; Lorence & Wagner, 2020.
   Brassicaceae -- The Caper, Mustard Family Bibliography
      Lepidium virginicum
General Information
DistributionNative to eastern United States.In the Hawaiian Islands, naturalized on Kure, Midway, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Annual or biennial herb; stems 2‒7 dm long, usually single from base, branched above, occasionally many branched, usually puberulent.
Basal leaves short-petiolate; blade oblanceolate, 4‒15 cm long, sharply toothed to pinnatifid, occasionally bipinnatifid, distal leaves much reduced, oblanceolate to linear, margin dentate to entire.
Inflorescences in elongate racemes usually 1.5‒8 cm long, nearly the same diameter throughout. Flowers with sepals ca. 0.5 mm long, usually caducous, margin white; petals spatulate, ca. 0.6‒1 mm long; stamens 2(4, 6).
Fruit suborbicular to broadly elliptic, 2‒4.2 mm long, apical notch broad, prominent, margin clearly exceeding the style.
Seeds 1.5‒2 mm long.
2n = 16, 32.
Nancy Khan