Orange (Citrus sinensis)
The Orange is a medium-sized tree from China with tasty fruit. It is the most widely cultivated citrus fruit, followed by tangerines and lemons, and ripens best in Mediterranean climates as it prefers cool temperatures at harvest time. The name orange comes from the ancient Indian name "naranga", meaning "the fruit that elephants like".
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Appearance
The Orange is a medium-sized tree from China with tasty fruit. It is the most widely cultivated citrus fruit, followed by tangerines and lemons, and ripens best in Mediterranean climates as it prefers cool temperatures at harvest time. The name orange comes from the ancient Indian name "naranga", meaning "the fruit that elephants like".
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Leaves
Evergreen, elliptic or ovate leaves. Upper side: dark green. Length: 7 to 10 cm. Alternate. Somewhat leathery.
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Leaf upperside
Evergreen, elliptic or ovate leaves. Upper side: dark green. Length: 7 to 10 cm. Alternate. Somewhat leathery.
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Leaf underside
Evergreen, elliptic or ovate leaves. Upper side: dark green. Length: 7 to 10 cm. Alternate. Somewhat leathery.
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Flowers
Flowering period: II to IV. White ray-florets, pale pink when sprouting. Size: 2 to 3 cm. Mildly fragrant, usually very numerous.
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Fruits
The fruit is that which is commonly available in shops. More than 60 varieties. Ripening time: I to III. Dark orange, round, very juicy fruits with a sweet-sour taste.
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Bark
Thorny green bark. The young bark is furrowed lengthwise.
Application
Public areas, parks, urban areas, roadside verges, car parks, pedestrian precincts, container plants, wintergardens, private gardens, kitchen gardens, front gardens, verandas, atrium gardens
Native regions
China
Location parameters
Light: full sun to off-sun; soil: fresh to moist; stagnant moisture: to be avoided; soil structure: loose; soil depth: medium to very deep; humus concentration: medium to high; pH value: moderately acid to neutral; nutrient concentration: normal to very high; soil: fresh to moist.
Demands
Urban climate: resistant; does not tolerate stagnant moisture and compaction.
Hardiness
down to 0 C°
Growth
Height of growth: 8 to 13 m. Spread: 8 to 12 m. Dense shrub or tree of normal growth, with closed crown.
Leaves
Evergreen, elliptic or ovate leaves. Upper side: dark green. Length: 7 to 10 cm. Alternate. Somewhat leathery.
Flowers
Flowering period: II to IV. White ray-florets, pale pink when sprouting. Size: 2 to 3 cm. Mildly fragrant, usually very numerous.
Fruits
The fruit is that which is commonly available in shops. More than 60 varieties. Ripening time: I to III. Dark orange, round, very juicy fruits with a sweet-sour taste.
Bark
Thorny green bark. The young bark is furrowed lengthwise.