Flora of the Hawaiian Islands
Dicotyledon Literature for Syzygium jambos
Lorence & Wagner, 2020.
   Myrtaceae -- The Myrtle Family Bibliography
      Syzygium jambos

Common name(s): `ohi`a loke, rose apple
General Information
DistributionNative range uncertain, probably Malesia and perhaps SE Asia, widely cultivated and naturalized.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Tree, 6‒15 m tall, bark grayish brown, smooth, glabrous throughout.
Leaves petiolate; blade thin, coriaceous, narrowly lanceolate, 10‒23 cm long, 2.5‒5 cm wide, secondary veins 10‒20 on each side, 5‒15 mm apart, submarginal vein irregular, apex long-acuminate, base cuneate; petiole 0.5‒1 cm long.
Inflorescences a terminal, once branched cyme, ca. 2 cm long, peduncle 0.7‒1.5 cm long; bracts 0.8‒1 mm long. Flowers with obconic hypanthium, 7‒10 mm long, narrowing into a short pseudopedicel, 3‒4 mm long; sepals 4, fleshy, unequal, one pair 6‒8 mm long, the other pair 4‒6 mm long, glabrous or sparsely puberulent, persistent; petals 4, white to greenish white, orbicular to ovate-orbicular, concave, 12‒20 mm long, caducous; stamens ca. 200, filaments creamy white, 10‒50 mm long.
Fruit whitish yellow to pinkish yellow, subglobose, 2‒4 cm long, pericarp fleshy, sweet, 10‒15 mm thick.
Seed usually 1, subglobose, 2‒2.5 cm in diameter, testa closely coherent to cotyledons.
2n = 28, 33, ca. 42, 44, 46, ca. 54, 66.
Nancy Khan