Torreya nucifera

Torreya nucifera subsp. var.	Japanese nutmeg yew, Kaya nut
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	Taxaceae > Torreya nucifera var. ,

Torreya nucifera is a slow-growing coniferous tree native to southern Japan and to South Korea's Jeju Island. It is also called Japanese Nutmeg-yew.

It grows to 15-25 m tall with a trunk up to 1.5 m diameter. The leaves are evergreen, needle-like, 2-3 cm long and 3 mm broad, with a sharply spined tip and two whitish stomatal bands on the underside; they are spirally arranged but twisted at the base to lie horizontally either side of the stem. It is subdioecious, with individual trees producing either mostly male or mostly female cones but usually with at least some cones of the other sex present. The male cones are globular, 5-6 mm diameter, in a double row along the underside of a shoot. The female cones are borne in clusters of 3-8 together, maturing in 18–20 months to a single seed surrounded by a fleshy layer, 2 cm long and 1.5 cm broad.

Standard Cyclopedia of Horticulture

Torreya nucifera, Sieb. & Zucc. Tree, usually 30 ft., but occasionally 80 ft. high, with spreading branches, forming a compact head, sometimes shrubby: bark bright red: lvs. lanceolate, acuminate, rigid and spiny pointed, very dark green above, with 2 white lines beneath, 3/4 – 1 1/4 in. long and 1/8 – 1/6 in. broad: fr. obovoid-oblong, green, about 1 in. long. Japan. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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Gallery

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  Var. radicans, tree, 　Aizu area, Fukushima pref., Japan
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  Var. radicans, leaves, back side, 　Aizu area, Fukushima pref., Japan
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  Var. radicans, pollen cones, 　Aizu area, Fukushima pref., Japan
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  Var. radicans, seed cones, 　Aizu area, Fukushima pref., Japan

References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Torreya nucifera. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Torreya nucifera QR Code (Size 50, 100, 200, 500)