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

Common name(s): `opiuma, Manila tamarind
General Information
DistributionNative to the Neotropics from Mexico to Venezuela, now widely cultivated and naturalized throughout the tropics.In the Hawaiian Islands, naturalized on Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Trees or shrubs 2-15 m tall.
Leaf rachis with a nectary between the single pair of pinnae, leaflets 1 pair per pinna, obliquely elliptic, with a nectary between them, 0.7-5 cm long, 0.3-2.3 cm wide, apex and base rounded.
Flowers greenish white to pale yellow, in solitary, axillary heads 6-9 mm in diameter (excl. stamens), these arranged in racemose or paniculate inflorescences; corolla 3-4 mm long.
Pods brown to reddish or pink, spirally twisted, slightly flattened, coriaceous, 10-15 cm long, 1-1.6 cm wide, dehiscing along both sutures.
Seeds several, black, glossy, asymmetrically obovate, ca. 9-12 mm long, 7-8 mm wide, with a fleshy white to reddish aril, pleurogram ca. 7.5 mm long and 3 mm wide.
2n = 26