atoll research bulletin no. 392 the flora of - Smithsonian Institution ...

to bright yellow when ripe depending on the cultivar; pulp, pale yellow, juicy, sour;
seeds, ovoid, white. Planted fruit tree. Reportedly more abundant in the past. Juice used
to marinate raw fish and to make drinks. 5, 6, 7.
Citrus reticulata Blanco "tangerine", "mandarin orange"
syns. C. deliciosa Ten.; C. nobilis Lour. var.
Recent introduction. Rare. E. Asia. Small, usually spiny tree, 3 to 8 m high;
leaves, 4 to 8 cm long and 1.5 to 4.5 cm long, alternate, ovate or elliptic to lanceolate,
usually crenate, dark shining green above, yellowish-green beneath; petioles, 5 to 15 mm
long and 1.5 to 3 mm wide, alternate, narrowly winged or margined, 1.5 to 3 mm wide
across the wings, clearly articulate with leaf blades; inflorescences, axillary, small 1.5 to
2.5 cm in diameter; corolla, usually 5-parted, petals, white; stamens about 20; ovary 10-
to 15-locular; fruit, 5 to 8 cm in diameter, depressed-globose to subglobose, greenish
with yellowish patches to bright orange; peel, thin, loose, separating easily from the
segments; pulp, orange, sweet, juicy; seeds, small. Immature planted fruit tree. 5, 6.
Citrus sinensis (L.) Osbeck
te aoranti (K)
syn. C. aurantium var. sinensis L.
"orange", "sweet orange"
Recent introduction. S. Asia. Rare. Small to medium tree, 4 to 12 m high, often
with stout spines; leaves, 5 to 15 cm long and 2 to 8 cm wide, alternate, ovate to oval-
elliptic, glabrous, dark green above, sometimes slightly serrate; petioles, 1 to 2.5 cm
long and 3 to 5 mm wide, winged, clearly articulate with leaf blades; inflorescences,
axillary, solitary or in small racemes, 2 to 3 cm in diameter; corolla, usually 5-parted,
petals white, fragrant; stamens 20 to 25, united into groups; ovary 10-to 14- locular;
style slender with globose stigma, soon deciduous; fruit, 4 to 12 cm in diameter,
subglobose, greenish-yellow or orange, juicy, edible; peel up to 5 mm thick, tightly
adherent to segments; pulp, yellow-orange to dark orange, juicy, slightly acidic, sweet;
seeds, none to many, obovoid, white. I~nmature planted fruit tree; reportedly more
common in past and planted by the Japanese during World War 11. 6, 7.
Murraya paniculata (L.) Jack "mock orange", " orange jessamine", "orange jasmine"
syns. Chalcas paniculara L. ; Murraya. exotica L.
Recent introduction. Trop. Asia, Malesia and Australia. Rare. A shrub to small
tree, 1 to 8 m w u t usually kept under my-prmrirr-Am --
leaflets, 3 to 7, usually 5, 3 to 10 cm long and 2 to 4 cm wide, ovate to subobovate,
glossy, thin-coriaceous, nitid; petiolules, very short; inflorescences, 1 - to 8-flowered,
compact paniculate clusters; calyx, 5-parted, deeply-lobed, sepals basally somewhat
united; corolla, 5-parted, petals, usually 10 to 15 mm long and 3 to 6 mm wide,