Flora of the Hawaiian Islands
Dicotyledon Literature for Ipomoea tuboides
Wagner et al., 1990, 1999.
   Convolvulaceae -- The Dodder, Morning Glory Family Bibliography
      Ipomoea tuboides

Common name(s): morning glory, Hawaiian moon flower
General Information
DistributionIn the Hawaiian Islands, endemic to Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i.

Click here for detailed USGS map by Jonathan Price
Perennial vines; stems green or often brownish red with small green protuberances, prostrate or twining, slender, woody near base, glabrous except on youngest parts.
Leaf blades chartaceous, cordate to broadly ovate, 10-15 cm long and wide, glabrous, margins entire, toothed, or lobed, apex obtuse and mucronulate, base cordate, petioles 5-10 cm long.
Flowers solitary, peduncles longer than leaves, pedicels 50-80 mm long; sepals subequal, oblong, erect in flower, reflexed in fruit, outer ones 9-15 mm long, inner ones 15-22 mm long, apex obtuse to acute, often mucronulate; corolla nocturnal, white, lavender when wilted, salverform, the tube 6-8 cm long, less than 0.5 cm in diameter, the limb campanulate to subrotate, 7-8 cm in diameter, glabrous.
Capsules brown, ovoid, 1-2 cm long, glabrous.
Seeds 1-4, dark brown, ovoid, trigonous, 12-16 mm long, pubescent with short erect hairs.