Japanese torreya

  • Japanese torreya_img_0
    Japanese torreya @ Tokyo Metropolitan Jindai Botanical Park

Basic information

Flower Name
Japanese torreya
Formal Name
Torreya nucifera
Alias
Kaya, Japanese torreya
Habitat
Japan and the Korean peninsula
Morph
Evergreen coniferous tree

Comment

What is Japanese torreya

Japanese torreya or kaya (scientific name: Torreya nucifera) is an evergreen coniferous tree in the family Taxaceae native to Japan and the Korean peninsula. It grows naturally in the temperate zone of Japan from southeast Honshu to Kyushu. The bark color is gray-brown and has vertical cracks. The strain is dioecious, and in the spring, the male flower is a long oval yellow flower, and the female flower is sessile and dense at the tip of the branch with a single ovule in the center. The branches are opposite. On both sides of the branch, flat linear, sharp, hard lobules are attached in parallel. Oval seeds form after the flowers, ripen red-purple in the fall, and in the fall of the following year the skin rips, causing light-brown hard seeds to fall. The fruit will be edible if you get out of the ac. The material is pale yellow and dense and is used for go board and engraving materials.

Common name: Japanese torreya ,scientific name:Torreya nucifera, aka: Kaya, torreya, Japanese nutmeg-yew,
environmental: temperate mountain,Living type: Evergreen coniferous tree,height: 20-25 m, the bark color: gray-Brown vertical tear, material: yellow fine, males and females differ, leaf arrangement: opposite, leaf: squamous cell line in sharp, hard, Flowering period: April-May, male: long oval-shaped yellow flowers, flowers: branches and dense to Center a single ovule is sessile, fruiting period: October (reddish-purple ripen next year dropping seeds, hard light-brown skin is torn in the fall), seed length: 2-3 cm, seed diameter: 1-2 cm, seed shape: oval-shaped, use wood-fruit, sculpture materials, crafts, Garden, Woods, Board-edible.

bark color: gray-brown and vertically Rupture, branch color: brown, material: pale yellow, dense, dioecious. Phyllome: opposite, leaf shape: flat, linear and sharp, leaf height: 2 cm, leaf width: 0.2 cm, flowering period: April ~ May, male flower: oval yellow flower, male flower length: 1 cm, female flower: dense at the tip of the branch, with one ovule in the center, sessile, fruiting period: October (ripes magenta and peels in the fall of next year Hard seeds with light brown color fall), Seed length: 2-3cm, Seed diameter: 1-2cm, Seed shape: Oval, Use: Wood-Garden tree, Shajirin, Go board, Sculpture Lumber, crafts and fruits are edible with only Kaya.

Detailed information

Order
Pinales
Family
Taxaceae
Genus
Torreya
Species
T. nucifera
Flower type
Other
Flower array
Other
Petal shape
no petal
Leaf type
Linear
Leaf edge
Entire Fringe
Flowering place
Color
Yellow
Season
AprMay
Height
2000 ~ 2500 [cm]
Diameter
1 ~ 1

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