Torreya nucifera
Torreya nucifera subsp. var. | Japanese nutmeg yew, Kaya nut | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 |
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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
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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