Practical
Plants

Lupinus termis

White Lupin

an annual member of the Lupinus genus in the family Leguminosae.

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Taxonomy and growth

Genus
Lupinus
Life cycle
annual
Fertility
Bees
Flower type
hermaphrodite
Pollinators
Bees

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.

The seed of many lupin species contain bitter-tasting toxic alkaloids, though there are often sweet varieties within that species that are completely wholesome[8][9]. Taste is a very clear indicator. These toxic alkaloids can be leeched out of the seed by soaking it overnight and discarding the soak water. It may also be necessary to change the water once during cooking. Fungal toxins also readily invade the crushed seed and can cause chronic illness[8].

Edible uses

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

Seed - cooked[6][2][3]. Used as a protein-rich vegetable or savoury dish in any of the ways that cooked beans are used, they can also be roasted or ground into a powder. If the seed is bitter this is due to the presence of toxic alkaloids and the seed should be thoroughly leached before being cooked.

Plant part
Seed

Ecology and functions

Nitrogen fixer

Environment

Range
N. Africa - Mediterranean.
Habitat
Disturbed ground on acid soils[5][7].
Light
full sun
Shade tolerance
no shade
Water
moderate
Soil textures
sandy, loamy, clay
Soil pH
acid, neutral, alkaline
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

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

Pre-soak the seed for 24 hours in warm water and sow in mid spring in situ[1][4]. You may need to protect the seed from mice. Germination should take place within 2 weeks.

Cultivation

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

An easily grown plant, succeeding in any moderately good soil in a sunny position[4]. This species is probably no more than a part of L. albus[7]. Cultivated for its edible seed in Egypt, C. and S. Europe[6]. This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[4]. When removing plant remains at the end of the growing season, it is best to only remove the aerial parts of the plant, leaving the roots in the ground to decay and release their nitrogen.

References

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

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  2. Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976-00-00

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  3. Bianchini. F., Corbetta. F. and Pistoia. M. Fruits of the Earth.

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

    ↩1↩2↩3

  5. Polunin. O. Flowers of Greece and the Balkans. Oxford University Press 1980-00-00 ISBN 0-19-217626-9

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  6. Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim 1959-00-00

    ↩1↩2

  7. ? Flora Europaea Cambridge University Press 1964-00-00

    ↩1↩2

  8. Frohne. D. and Pf�nder. J. A Colour Atlas of Poisonous Plants. Wolfe 1984-00-00 ISBN 0723408394

    ↩1↩2

  9. 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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