Flora of the Hawaiian Islands
Dicotyledon Literature for Hillebrandia sandwicensis
Wagner et al., 1990, 1999.
   Begoniaceae -- The Begonia Family Bibliography
      Hillebrandia sandwicensis
General Information
DistributionIn the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Maui.

Click here for detailed USGS map by Jonathan Price
Erect perennial herbs 5-15 dm tall, glabrous to sparsely pubescent with long reddish brown hairs ca. 2 mm long, from shallow, yellowish, tuberous rhizomes.
Leaves asymmetrical, suborbicular in outline, 10-25 cm in diameter, hispidulous with short, white, papillose hairs, especially along the veins on lower surface, irregularly 5-9-lobed, margins serrate, petioles 10-22 cm long, stipules ovate-cordate, 1.2-3 cm long, persistent.
Peduncles 10-30 cm long, bracts bright pink to white, cordate to ovate, 0.8-1.5 cm long; perianth of both sexes bright pink to white; male flowers with ovate sepals, petals spatulate, stamens yellow, distinct, anthers opening by 2 lateral slits, ovary absent; female flowers usually formed before male ones, sepal lobes ovate-lanceolate, persistent on ovary, petals spatulate, ovary wingless.
Capsules 0.8-1.3 cm in diameter.
Seeds pale reddish brown, oblong, ca. 0.5 mm long.
2n = 48*