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Japanese raisin tree

How to identify Japanese raisin tree (Hovenia dulcis)

Japanese raisin tree, also known as Japanese raisin

Japanese raisin tree features deciduous foliage, with leaves ranging from 5 to 15 centimeters (2 to 6 inches) in length, which display a broad ovate shape with serrated margins. This species is notable for its unique fruiting structure; the edible pseudo-fruits are technically swollen peduncles, turning a reddish color when ripe and offering a sweet flavor, a trait alluded to in its scientific epithet. The actual fruits of japanese raisin tree are small, hard nutlets nestled within the sweet, enlarged stalks. Flowers borne by the plant are small and yellowish-white, typically occurring in loose, open clusters.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Tree, Shrub

Leaf Type

Leaf Type: Deciduous

Quickly Identify Japanese raisin tree

1

Deciduous foliage with broad ovate leaves (5-15 cm, 2-6 inches) and serrated margins.

2

Edible swollen peduncles turning reddish when ripe, harboring small nutlets within sweet stalks.

3

Cream-colored, small flowers in dense clusters (0.2 inches, 5 mm) with subtle scent.

4

Unique fleshy, red capsules, 0.8-1.2 inches (2-3 cm), clustered, succulent, and versatile for culinary uses.

5

Glossy green leaves (4-6 inches, 10-15 cm) with distinct vein patterns, turning yellow before fall.

Japanese raisin treeJapanese raisin treeJapanese raisin treeJapanese raisin treeJapanese raisin tree

Detailed Traits of Japanese raisin tree

Leaf Features

The leaves of japanese raisin tree are glossy and green, measuring 4-6 inches (10-15 cm) in length. They possess a smooth, lustrous surface with a noticeable vein pattern. These leaves may turn yellow before dropping in the fall, though it is not uncommon for them to fall while still green. The elliptical to ovate shape and distinct midrib are key identification features.

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Flower Features

The tiny, inconspicuous flowers of japanese raisin tree are cream-colored and form in dense clusters. Each flower is small, with a diameter of approximately 0.2 inches (5 mm). The petals are minute and lack a distinct arrangement. The flowers bloom in early summer, releasing a subtle scent that attracts various insects. These characteristics are crucial for identification and align with their subtle beauty and ecological role.

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Fruit Features

The fruit of japanese raisin tree is characterized by its unique, fleshy, red capsules, which are known to be edible. These seed-bearing structures can reach a length of 0.8-1.2 inches (2-3 cm) and display a somewhat rounded to elongated shape. The texture of the ripe fruit is succulent and it tends to hang in clusters from the branches, offering a sweet taste when consumed raw. When cooked, the fruit retains its distinct flavor, making it versatile for culinary uses. Despite their allure, the fruits can become a nuisance as they drop, creating litter on the ground beneath the plant.

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Key Facts About Japanese raisin tree

Attributes of Japanese raisin tree
Plant Type
Tree, Shrub
Plant Height
10 m to 30 m
Spread
9 m to 12 m
Leaf Color
Green
Flower Size
6 mm to 8 mm
Flower Color
Green
Cream
Fruit Color
Black
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Scientific Classification of Japanese raisin tree

Family
Buckthorn
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Genus
Hovenia
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Species
Japanese raisin tree (Hovenia dulcis)
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Distribution Map of Japanese raisin tree

Japanese raisin tree, a plant primarily native to regions in East Asia, is cultivated for various purposes and has found its way to other continents such as South America and Oceania. In its native range, it is a common feature of the local flora. However, in certain areas where it has been introduced, japanese raisin tree may be sometimes thought to be less benign, potentially having an impact on native ecosystems, though its exact effects are not widespread or well-documented. The plant's versatility has allowed it to adapt to various climates outside its native habitat.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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