Flora of the Hawaiian Islands
Dicotyledon Literature for Gardenia mannii
Wagner et al., 1990, 1999.
   Rubiaceae -- The Coffee Family Bibliography
      Gardenia mannii
General Information
DistributionHawaiian Islands.In the Hawaiian Islands, endemic to O`ahu.

Rubiaceae - Gardenia mannii Rubiaceae - Gardenia mannii

Click here for detailed USGS map by Jonathan Price
Trees 5-15 m tall; branches somewhat quadrangular, viscid and appressed puberulent.
Leaves clustered toward the tips of the branches, thin or occasionally thick, chartaceous, oblanceolate to elliptic-oblanceolate, 6-27 cm long, 3.5-10 cm wide, lateral veins 10-18 pairs, these prominent, upper surface with remnants of viscid exudate and puberulent along midrib, lower surface puberulent, especially along veins, petioles 0.1-0.8 cm long, subappressed puberulent, stipules connate into a collar 3-7 mm long, viscid and puberulent.
Flowers fragrant, opening in late afternoon, lasting ca. 2 days, solitary, terminal, pedicels 3-17 mm long, 4-6-angled, viscid and appressed puberulent; hypanthium narrowly funnelform, 8-12 mm long, 4-6-angled; calyx cup-shaped, 3-5 mm long, viscid and puberulent, apically produced into 4-6 terminal spurs, these coriaceous, obliquely linear-spatulate and sigmoid, rarely only falcate, (23-)30-46 mm long, 5-8(-11) mm wide, sparsely puberulent; corolla cream-colored externally, white within, thick, 7-9-lobed, the tube 17-27 mm long (when dry), the lobes 16-22 mm long (when dry); stamens included; anthers 14-16 mm long.
Fruit yellow to orange, broadly ellipsoid, 1.8-4.5 cm in diameter, prominently costate, pulp bright reddish orange.
Seeds straw-colored, ovoid to ellipsoid, compressed, 1.8-2.2 mm long.