Japanese Raisin Tree

Hovenia dulcis

Physical Characteristics

Hovenia dulcis is a deciduous Tree growing to 10 m (32ft) by 7 m (23ft). See above for USDA hardiness. It is hardy to UK zone 6 and is not frost tender. It is in flower in July, and the seeds ripen from September to October. The species is hermaphrodite (has both male and female organs). Suitable for: light (sandy) and medium (loamy) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Distribution

E. Asia - China to the Himalayas.

Habitats

Woodland Garden Secondary; Sunny Edge;

Edible Uses

Edible Parts: Fruit Edible Uses: Sweetener Fruit - raw or cooked[2, 11, 158]. They can be dried when they have the sweet flavour and texture of raisins and can be used similarly[183]. The fruit is sweet and fragrant[105, 147] with a pear-like flavour[218]. Dry and sub-acid[61]. It is not a true fruit but a swollen receptacle[200]. The fruit is up to 3cm long[2], it contains 11.4% glucose, 4.7% fructose and 12.6% sucrose[218]. A sweet extract of the seed, boughs and young leaves is used as a substitute for honey[183]. The seed contains 15% protein and 7.8% fat[218].

Medicinal Uses

Antispasmodic Febrifuge Laxative Antispasmodic, febrifuge, laxative[147, 178]. The fruit is antispasmodic, febrifuge, laxative and diuretic[218]. The seeds are diuretic and are used in the treatment of alcohol overdose[218]. The seeds are used to relieve intoxication due to wine[240]. The stem bark is used in the treatment of rectal diseases[218].

Known Hazards

None known