Citrus aurantifolia Swingle  
Family: Rutaceae
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  • Flora of Barro Colorado Island
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The Flora of Barro Colorado Island by Thomas Croat
Shrub or tree, 2-8 m tall, glabrous, usually with numerous axillary spines 5-17 mm long. Leaves simple; petioles oblanceolate-winged, 5-28 mm long, 2-9 mm wide, articulated at apex; blades ovate to +/- elliptic, acute to bluntly acuminate at apex (the acumen sometimes emarginate), obtuse to rounded at base, 4-13 cm long, 2-6 cm wide, crenate. Flowers solitary to few, in short corymbose cymes, (4) 5-parted; pedicels 3-5 mm long; calyx shallowly 4- or 5-lobed; petals white, oblong-lanceolate, 11-14 mm long, 3-5 mm wide; stamens 20-25; filaments 4-6 mm long, connate into small clusters; anthers 2-3 mm long; disk ca 1 mm high; ovary obovoid, 2-3 mm long; style 2-3 mm long, soon deciduous; stigma subglobose. Fruits ellipsoid at maturity, 3.5-6 cm diam, mammillate at apex, green to yellow, sour, the core solid. Croat 9190, 14945. Cultivated at the Laboratory Clearing; reported by Standley (1933) to be naturalized at some places on the island. Flowers mostly during the dry season. The fruits mature mainly in the rainy season.
Citrus aurantifolia
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