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Torreya jackii - Chun.
                 
Common Name
Family Cephalotaxaceae
USDA hardiness 7-10
Known Hazards None known
Habitats Woods at elevations of 400 - 1000 metres in N Fujian, NE Jiangxi S Zhejiang provinces[266].
Range E. Asia - E. China.
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Frost Hardy Moist Soil Full shade Semi-shade Full sun

Summary

Torreya jackii


Torreya jackii
   
Physical Characteristics
 icon of manicon of cone
Torreya jackii is an evergreen Tree growing to 10 m (32ft 10in) at a slow rate.
It is hardy to zone (UK) 8. It is in leaf 12-Jan It is in flower from Apr to May, and the seeds ripen from Oct to November. The flowers are 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 are pollinated by Wind.The plant is not self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade. It prefers moist soil.

Synonyms

Habitats
Woodland Garden Secondary; Sunny Edge; Dappled Shade; Shady Edge; not Deep Shade;
Edible Uses
Edible Parts: Oil;  Seed.
Edible Uses: 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[105, 177].
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.



None known
Other Uses
Incense;  Oil;  Wood.

The leaves are very aromatic when bruised or burned, giving off a fragrance like sandalwood oil[266]. The wood is very fragrant, and is used to make agricultural implements, utensils, and handicrafts[266].
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]. Quite rare in the wild, this is a vulnerable species at risk of becoming extinct in the wild[266]. Torreya jackii is unlike the other Chinese members of the genus and is remarkably similar to Cephalotaxus fortunei, from which it can be distinguished by its sessile seed-bearing structures and by the peculiar, strongly twisted leaf arrangement[266]. The seed takes two summers to mature[229]. This species is not very hardy in Britain, though trees can be grown outdoors in the milder parts of the country[81]. Plants are dioecious, but sometimes monoecious with dioecious branches. Male and female plants must usually be grown if seed is required.
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.

Books by Plants For A Future

Other Names
Found In
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 :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Ephedra torreyanaMexican Tea, Torrey's jointfir23
Pinus torreyanaSoledad Pine, Torrey pine, Santa Cruz Island Torrey pine, Soledad pine, Torrey pine32
Torreya californicaCalifornia Nutmeg31
Torreya fargesii 20
Torreya grandisChinese Nutmeg Tree21
Torreya nuciferaKaya, Japanese torreya52
Torreya yunnanensisYunnan Nutmeg Yew20
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Author
Chun.
Botanical References
200266
Links / References
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Subject : Torreya jackii  

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