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Summary
Physical Characteristics
Torreya yunnanensis is an evergreen Tree growing to 15 m (49ft 3in) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 8. It is in leaf all year, and the seeds ripen from October to November. The species is dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required). and is pollinated by Wind. The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Woodland Garden Secondary; Sunny Edge; Dappled Shade; Shady Edge; not Deep Shade;
Edible Uses
Edible Parts: Oil Oil Seed
Edible Uses: Oil Oil
Seed[81]. No more details are given but it is likely that the seed can be eaten raw or cooked and is rich in oil. An edible oil is obtained from the seed.
References More on Edible Uses
Medicinal Uses
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None known
References More on Medicinal Uses
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Other Uses
Oil Oil Wood
An oil is extracted from the seed[266]. The high quality timber is used in constructing houses, bridges, and furniture, and for making implements and utensils[266].
Special Uses
References More on Other Uses
Cultivation details
Succeeds in ordinary garden soil, tolerating some lime[1]. Requires a sheltered position and either high humidity or a moist riverside soil[200]. Dislikes wind exposure[200]. Tolerates woodland shade very well[200]. Requires hot, very humid summers for best growth[200]. A vulnerable species in the wild, where it is at risk of becoming extinct[266]. This species is not hardy in all parts of Britain, but trees can be grown outdoors in the milder parts of the country[81]. The seed takes two summers to mature[229]. There is some confusion over the correct name of this species, with some authorities seeing it as no more than a sub-species of T. fargesii[266]. Plants are dioecious, but sometimes monoecious with dioecious branches. Male and female plants must usually be grown if seed is required.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Plant Propagation
Seed - best sown as soon as it is ripe in a cold frame. Some of the seed should germinate in the following spring though much of it might take another 12 months. Stored seed requires a period of cold stratification and can take 18 months or more to germinate. Prick out the seedlings into individual pots as soon as growth is observed and grow them on in light shade in the greenhouse for at least the next couple of winters, making sure to pot them on into larger pots as and when required. Plant them out into their permanent positions in early summer when the plants are at least 20cm tall. Cuttings of half-ripe shoots in late summer[1]. Cuttings do not grow well[11]. Layering.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: China (Yunnan Sheng)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
Cheng.&L.K.Fu.
Botanical References
200266
Links / References
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