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Allium przewalskianum

a member of the Allium genus in the family Alliaceae.

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Taxonomy and growth

Family
Alliaceae
Genus
Allium
Height
0.25 m
Fertility
Bees, Insects
Flower type
hermaphrodite
Pollinators
Bees, Insects

Uses

Toxicity

Toxicity warning. The historical record reports a hazard for this plant. Do not use it to decide which parts are safe to eat or use medicinally.

This section contains historical Plants For A Future notes marked noncommercial.

Although no individual reports regarding this species have been seen, there have been cases of poisoning caused by the consumption, in large quantities and by some mammals, of certain members of this genus. Dogs seem to be particularly susceptible[10].

Edible uses

This section contains historical Plants For A Future notes marked noncommercial.

Bulb - raw or cooked. A very pleasant onion flavour[K], though rather on the small size and scarcely exceeding 10mm in diameter[4]. Harvested in the autumn, they will store for at least 6 month[K]. Leaves - raw or cooked. Tender and delicious[11]. The leaves are rather on the small and thin side, but have an excellent onion favour[K]. They make a nice refreshing munch when working in the garden and also go very well in salads. They can be harvested from spring until the autumn[K]. Flowers - raw. A pleasant onion flavour, they are used as a garnish on salads[K].

Plant part
Flowers
Plant part
Leaves
Plant part
Root

Medicinal uses

Historical medicinal uses. These records describe reported uses. They do not establish safety or effectiveness. Ask a qualified health professional before using any plant medicinally.

This section contains historical Plants For A Future notes marked noncommercial.

Although no specific mention of medicinal uses has been seen for this species, members of this genus are in general very healthy additions to the diet. They contain sulphur compounds (which give them their onion flavour) and when added to the diet on a regular basis they help reduce blood cholesterol levels, act as a tonic to the digestive system and also tonify the circulatory system[K].

Material uses

This section contains historical Plants For A Future notes marked noncommercial.

The juice of the plant is used as a moth repellent. The whole plant is said to repel insects and moles[3].

Product or use
Repellent

Environment

Range
E. Asia - N Tibet.
Habitat
Steppes to 4800 metres[11]. Scrub, dry slopes, plains and rock crevices at elevations of 2000 - 4800 metres[8].
Light
full sun
Shade tolerance
no shade
Water
moderate
Hardiness
Zone 8+
Soil textures
sandy
Soil pH
acid, neutral, alkaline
Drainage
well drained
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

This section contains historical Plants For A Future notes marked noncommercial.

Seed - sow spring in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle - if you want to produce clumps more quickly then put three plants in each pot. Grow them on in the greenhouse for at least their first winter and plant them out into their permanent positions in spring once they are growing vigorously and are large enough. Division in spring. Very easy, the plants divide successfully at any time in the growing season and the divisions can be planted straight out into their permanent positions if required.

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

Prefers a sunny position in a light well-drained soil[1]. This species is only hardy in the milder areas of Britain, it probably tolerates temperatures down to between -5 and -10°c. The bulbs should be planted fairly deeply[1]. Most members of this genus are intolerant of competition from other growing plants[6]. Grows well with most plants, especially roses, carrots, beet and chamomile, but it inhibits the growth of legumes[2][3][9]. This plant is a bad companion for alfalfa, each species negatively affecting the other[5]. Members of this genus are rarely if ever troubled by browsing deer[7].

References

  1. F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951-00-00

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  2. Philbrick H. and Gregg R. B. Companion Plants. Watkins 1979-00-00

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  3. Riotte. L. Companion Planting for Successful Gardening. Garden Way, Vermont, USA. 1978-00-00 ISBN 0-88266-064-0

    ↩1↩2

  4. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

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  5. Allardice.P. A - Z of Companion Planting. Cassell Publishers Ltd. 1993-00-00 ISBN 0-304-34324-2

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  6. Davies. D. Alliums. The Ornamental Onions. Batsford 1992-00-00 ISBN 0-7134-7030-5

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  7. Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. 1990-00-00 ISBN 0 460 86048 8

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  8. Flora of China 1994-00-00 http://flora.huh.harvard.edu/china/

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  9. Hatfield. A. W. How to Enjoy your Weeds. Frederick Muller Ltd 1977-00-00 ISBN 0-584-10141-4

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  10. Cooper. M. and Johnson. A. Poisonous Plants in Britain and their Effects on Animals and Man. HMSO 1984-00-00 ISBN 0112425291

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  11. Zhang Jingwei. Alpine Plants of China. Gordon & Breach. New York. 1982-00-00 ISBN 0-677-60190-5

    ↩1↩2

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