Citrus trifoliata L.

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Citrus trifoliata L.

탱자나무

2003/11/30

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Japanese bitter orange

A bushy shrub or small tree to 7m tall, with green branches bearing large, stiff thorns to 5cm long, and fragrant white flowers like orange-blossom in spring or early summer, followed by orange fruits 4cm across

Other common namesbitter orange
Chinese citron
flying dragon
golden apple
hardy orange
trifoliate orange

Synonyms

Poncirus trifoliata
Aegle sepiaria

Botanical details

Family

Rutaceae

Native to the UK

No

Foliage

Deciduous

Habit

Bushy

Potentially harmful

Fruit harmful to skin with sunlight/skin allergen. Wear gloves and other protective equipment when handling

 

Genus

Citrus are typically evergreen shrubs or trees, frequently spiny, with simple, leathery, aromatic leaves, usually with winged stalks, and often fragrant white or pink-tinged flowers, followed by large, juicy fruits

 

Name status

Correct

 

Plant rangeC & S China

Citrus trifoliata|Japanese bitter orange/RHS Gardening

 

A deciduous, very spiny shrub or small tree 8 to 20 ft high, often as much wide, with smooth, green, crooked, angular branchlets. The spines are from 1 to 2 in. long, very stiff, straight, and sharply pointed. Leaves of three, sometimes five leaflets, which are obovate, the middle one 11⁄2 to 2 in. long, the side ones half as large; leaf-stalk winged. Flowers sweetly scented, produced from the axils of the spines before the leaves, pure white, 11⁄2 to 2 in. across, with four or five concave obovate petals. Stamens pink, not united. Fruit like a small orange in colour and shape, about 11⁄2 in. across, covered with down.

Native of Korea and N. China. This species is one of the most striking of hardy Chinese plants. It is hardy at Kew, having survived 30° of frost without injury; and although it does not often ripen fruit there, it flowers regularly during May every year. Its foliage is often scanty, but that enables its formidable armature to be the better seen. Were it common enough, it would make a good hedge plant: there is a hedge in the Public Garden of Milan 100 yds long, which, when I saw it, was only 3 ft high, too small for so vigorous a shrub as this, but which shows that it stands clipping well. In the western counties it fruits freely, and in the Vicarage garden at Bitton, near Bristol, there is a tree that has borne fruit for many years past. It is a plant every garden should contain for its beauty and distinction, its perfect hardiness, and its interest as a very close ally of the lemon and orange. The fruits are too bitter and acrid to be eaten raw, but they have been made into a conserve by boiling in sugar. It should be given a sunny position and a deep, moderately rich, soil. English ripened fruits produce good seed, from which I have raised young plants. It is also said that cuttings of half-ripened wood put in a close frame will take root.

Poncirus trifoliata - Trees and Shrubs Online

 

 

 

https://youtu.be/B03pu9dtMBM?t=493