Flora of the Hawaiian Islands
Literature for Lepidium bidentatum
Wagner et al., 1990, 1999. Literature for Lepidium bidentatum var. o-waihiense
Wagner et al., 1990, 1999. Literature for Lepidium bidentatum var. bidentatum
Fosberg, 1969; Wagner et al., 1990, 1999; Lorence & Wagner, 2020.
   Brassicaceae -- The Caper, Mustard Family Bibliography
      Lepidium bidentatum
General Information
DistributionWidely distributed from Hawai`i nearly throughout the south, central, and eastern Pacific islands and in New Caledonia.
Habit
Subshrubs 1.5-6 dm tall; stems ascending to weakly erect, herbaceous for most of their length, glabrate.
Leaves
Leaves thick and somewhat fleshy, obovate, spatulate to oblanceolate, rarely nearly linear, 3-7.8(-12) cm long, (0.3-)1-2(-2.5) cm wide, glabrate, margins usually coarsely serrate or crenate, primarily in upper 2/3 of leaf, apex obtuse to acute.
Flowers
Flowers in 1 to several terminal racemes, sparsely to moderately puberulent; sepals green, ovate to elliptic, ca. 1-1.3 mm long, sparsely puberulent, margins white; petals 1.2-1.6 mm long; stamens 6, as long or nearly as long as petals, each with a gland at base.
Fruit
Silicles elliptic, obovate to suborbicular, (3.5-)5-8 mm long, (3-)4-5 mm wide, apex notched, the surface inconspicuously roughened.
Seeds
Seeds pale reddish brown, narrowly obovoid, compressed, 1.9-2.5 mm long, 0.8-1.3 mm wide.