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Phyllostachys flexuosa

Common name: Zig-Zag Bamboo Family: Gramineae
Author: (Carrière.)Rivière.&C.Rivière. Botanical references: 11, 200
Synonyms: Bambusa flexuosa (Carrière.)
Known Hazards: None known
Range: E. Asia - China.
Habitat: Not known
Edibility Rating (1-5): 3Medicinal Rating (1-5):0

Other Common Names:From various places around the Web, may not be correct. See below.
Drooping Timber Bamboo [B,P],
Epithets:From a Dictionary of Botanical Epithets
flexuosa = bending, curvy;
Systematics:From a USDA Plants Database
Order: Cyperales. Renamed to Poaceae -- Grass family

Physical Characteristics

An evergreen bamboo growing to 6m by 6m . It is hardy to zone 6. It is in leaf all year. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind. We rate it 3/5 for edibility and 0/5 for medicinal use.

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

Habitats and Possible Locations

Woodland, Sunny Edge, Dappled Shade, Shady Edge.

Edible Uses

Stem.

Young shoots - cooked[25, 61, 105, 177]. Slightly acrid raw, they are usually boiled in at least one change of water and added to salads etc[183]. The canes are about 10mm in diameter[K]. The shoots are harvested in the spring when they are about 8cm above the ground, cutting them about 5cm below soil level.

Medicinal Uses

Disclaimer

None known

Other Uses

Wood.

The canes are not of the highest quality but can be used for plant supports etc. The medium quality wood is good for all standard bamboo uses for canes of this size[195].

Cultivation details

Requires a rich damp soil in a sheltered position[200] and plenty of moisture in the growing season[1].
A very hardy plant, tolerating temperatures down to about -17°c. According to another report the plant only suffers minor leaf damage at -22°c[195]. The plants dislike prolonged exposure to hard frosts[200].
This species is notably resistant to honey fungus[200].
Plants only flower at intervals of many years. When they do come into flower most of the plants energies are directed into producing seed and consequently the plant is severely weakened. They sometimes die after flowering, but if left alone they will usually recover though they will look very poorly for a few years. If fed with artificial NPK fertilizers at this time the plants are more likely to die[122]. A plant at Trebah gardens in &ndndndnd was flowering heavily in May 1995[K].
This is a good companion species to grow in a woodland because the plants are shallow rooted and do not compete with deep rooted trees[195].
The rootstock is running[25] but not aggressively so, especially in the cooler climate of Britain[200]. New growth appears from late March[25].
Plants need quite a lot of space because the outer culms spread out sideways and arch over[162].

Propagation

Seed - surface sow as soon as it is ripe in a greenhouse at about 20°c. Do not allow the compost to dry out. Germination usually takes place fairly quickly so long as the seed is of good quality, though it can take 3 - 6 months. Grow on in a lightly shaded place in the greenhouse until large enough to plant out. Seed is rarely available.
Division in spring as new growth commences. Divisions from the open ground do not transplant well, so will need careful treatment and nurturing under cover in pots until at least late spring[238]. Division is best carried out in wet weather and small divisions will establish better than large clumps[238]. Another report says that you can take large divisions from established clumps and transfer them straight to their permanent positions, misting or drenching them frequently until they are established[200].
Basal cane cuttings in spring.

Suppliers

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

Web References

References for Bambusa flexuosa (a possible synonym).
  • [G] Data (Common Names, Uses, Distribution) from the USDA/ARS NPGS's GRIN taxonomic database.

See the PFAF Links Pages for other sources.

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

References

[K] Ken Fern
Notes from observations, tasting etc at Plants For A Future and on field trips.

[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.

[25] Lawson. Bamboos. Faber 1968
Fairly comprehensive, it was once the standard work but is now rather dated. Deals with species hardy in Britain, giving cultivation details and some uses.

[61] Usher. G. A Dictionary of Plants Used by Man. Constable 1974 ISBN 0094579202
Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.

[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.

[122] ? The Plantsman. Vol. 1. 1979 - 1980. Royal Horticultural Society 1979
Excerpts from the periodical giving cultivation details and other notes on some of the useful plants. A good article on the flowering of bamboos.

[162] Grounds. R. Ornamental Grasses. Christopher Helm 1989 ISBN 0-7470-1219-9
Cultivation details of many of the grasses and bamboos. Well illustrated.

[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.

[183] Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990 ISBN 0-9628087-0-9
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.

[195] Farrelly. D. The Book of Bamboo Sierra Club. 1984 ISBN 0-87156-825-X
Very readable, giving lots of information on the uses of bamboos, both temperate and tropical.

[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.

[238] Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995 ISBN 0-7513-020-31
A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.


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Bibliography

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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