Flora of the Hawaiian Islands
Dicotyledon Literature for Strongylodon ruber
Wagner et al., 1990, 1999.
   Fabaceae -- The Pea Family Bibliography
      Strongylodon ruber

Common name(s): ka `i`iwi, nuku, nuku `i`iwi
General Information
DistributionIn the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Maui, Hawai`i.

Click here for detailed USGS map by Jonathan Price
Glabrous lianas with herbaceous branches.
Leaflets membranous, chartaceous when dry, broadly ovate to broadly rhombic-ovate or ovate, the lateral ones usually asymmetrical, 6.5-12.5 cm long, 3.8-10.5 cm wide, triplinerved, with several additional pairs of lateral veins, tertiary venation reticulate, both surfaces glabrous, apex short-caudate or long-caudate, petioles 6-10 cm long, stipels linear, 2-6 mm long, stipules ovate or deltate, 2-5 mm long, persistent.
Flowers usually 2-3 per cluster, in pendulous pseudoracemes 25-45 cm long, pedicels 15-45 mm long; calyx campanulate, 6-9 mm long, upper 2 lobes connate into an emarginate lip, the others 1.5-2.2 mm long, margins overlapping at base; corolla bright scarlet, standard 33-37 mm long, wing petals 15-20 mm long, keel petals 30-36 mm long; ovules usually 2.
Pods obliquely ovoid or ellipsoid to oblong-ellipsoid, often sigmoid, 8-12 cm long, 4.5-6 cm wide, apparently indehiscent.
Seeds 1-2, black, subglobose, compressed, 2.3-3.3 cm in diameter, the hilum 1/3-1/2 the circumference of the seed.