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Castanopsis delavayi

Common name:   Family: Fagaceae
Author: Franch. Botanical references: 11, 200, 266
Synonyms:  
Known Hazards: None known
Range: E. Asia - S.W. China.
Habitat: Mixed and broad-leaved evergreen forests at elevations of 1500 - 2800 metres[266].
Edibility Rating (1-5): 2Medicinal Rating (1-5):0

Epithets:From a Dictionary of Botanical Epithets
casta = spotless
Systematics:From a USDA Plants Database
Order: Fagales. Beech family

Physical Characteristics

An evergreen tree growing to 15m. It is hardy to zone 8. It is in leaf all year, in flower from April to May, and the seeds ripen from October to November. The scented flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Wind and midges. We rate it 2/5 for edibility and 0/5 for medicinal use.

The plant prefers medium (loamy) and heavy (clay) soils. The plant prefers acid and neutral soils. It can grow in semi-shade (light woodland). It requires moist soil.

Habitats and Possible Locations

Woodland, Canopy.

Edible Uses

Seed.

Seed[105, 177]. Up tp 14mm in diameter[266]. No more details are given, but it is probably cooked.

Medicinal Uses

Disclaimer

None known

Other Uses

None known

Cultivation details

Prefers a good deep medium to stiff loam[1]. Requires a sheltered position in semi-shade and a lime-free soil[138].
Although cold hardy at least in the milder areas of Britain, this species really requires a warm continental climate if it is to prosper and it does not do well in the maritime climate of this country[200].
The seed takes two growing seasons from fertilization to maturity[266]. The catkins have an unpleasant hawthorn-like smell to attract midges for their pollination.

Propagation

Seed - requires a period of cold stratification and is best sown as soon as it is ripe in a cold frame[138]. The seed has a short viability and should not be allowed to dry out. It can be stored for a few months if kept cool and moist (putting it in a plastic bag that is placed in the salad compartment of a fridge works well). Stored seed should be soaked in warm water for 24 - 48 hours prior to sowing[138]. Germination usually takes place within 1 - 3 months at 15° c[138]. As soon as they are large enough to handle, prick out the seedlings into individual pots and plant them out in mid summer if possible, otherwise grow them on in a cold frame for their first winter and plant them out in late spring. Give the young plants some protection from cold for their first few winters outdoors.

Scent

Flowers: Fresh
The catkins have an unpleasant hawthorn-like smell to attract midges for their pollination.

Suppliers

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

PFAF Web Pages

This plant is mentioned in the following web pages

Web References

References for the family Fagaceae.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[11] Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981
A classic with a wealth of information on the plants, but poor on pictures.

[105] Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976
The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.

[138] Bird. R. (Editor) Growing from Seed. Volume 3. Thompson and Morgan. 1989
Very readable magazine with lots of information on propagation.

[177] Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books 1984 ISBN 3874292169
An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.

[200] Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

[245] Genders. R. Scented Flora of the World. Robert Hale. London. 1994 ISBN 0-7090-5440-8
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.

[266] Flora of China 1994
On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.


Readers Comments


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Plant information taken from the Plants For A Future - Species Database. Copyright (c) 1997-2003.
WEB search engine by Rich Morris - Home Page- Contact Info
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