Flora of the Hawaiian Islands
Dicotyledon Literature for Boerhavia coccinea
Wagner et al., 1990, 1999.
   Nyctaginaceae -- The Four-o'clock Family Bibliography
      Boerhavia coccinea
General Information
DistributionNative to the Caribbean.In the Hawaiian Islands, naturalized on Kure, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.
















Habit
Prostrate to ascending perennial herbs, leafy in lower 1/2, diffusely paniculate in upper 1/2 ; stems glandular puberulent and sparsely pilose with long multicellular hairs, branching opposite near base, upward usually becoming alternate by suppression of 1 branch of a pair, angle of branching wide.
Leaves
Leaves broadly ovate to suborbicular, very variable in size, up to 2.5 cm long, 3-5 pairs of nerves, converging toward the base, lower pairs close together or even palmate, upper surface green, obscurely glandular, lower surface paler, glabrous except with some long hairs on lower part of midrib and veins, surface marked with white raphide bundles, margins conspicuously long-ciliate, apex obtuse to subacute, base obtuse to truncate or subcordate, petioles 0.5-1(-2) cm long, long-ciliate.
Flowers
Flowers subsessile or very short-pedicellate, in few-flowered glomerules, these arranged in large, very open panicles, branching many times (up to 10) at wide angles, sparsely glandular, distal branches filiform, upper articulations of panicles with small pilose bracts, those subtending glomerules hyaline, lanceolate, acuminate; perianth strongly constricted near middle, limb magenta or crimson to dark red, campanulate, ca. 2.5 mm long, glabrous; stamens 2.
Fruit
Anthocarps narrowly obconical-clavate, 3-4 mm long, apex abruptly contracted to an obtuse point, ribs prominently stipitate glandular, occasionally with a few glands in the wide furrows, the furrows also with many longitudinally arranged raphide bundles.
Chromosomes
2n = 24, 54*