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Lupinus littoralis - Douglas.

Common Name Seashore Lupine
Family Fabaceae or Leguminosae
USDA hardiness 6-9
Known Hazards The seed of many lupin species contain bitter-tasting toxic alkaloids, though there are often sweet varieties within that species that are completely wholesome[65, 76]. 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[65].
Habitats Sandy seashores[256].
Range Western N. America - British Columbia to California.
Edibility Rating    (2 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care
Fully Hardy Moist Soil Full sun
Lupinus littoralis Seashore Lupine


http://www.fws.gov
Lupinus littoralis Seashore Lupine

 

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Summary


Physical Characteristics

 icon of manicon of flower
Lupinus littoralis is a PERENNIAL growing to 0.5 m (1ft 8in) by 0.5 m (1ft 8in).
It is hardy to zone (UK) 7. It is in flower from June to October, and the seeds ripen from July to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees.
It can fix Nitrogen.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: acid and neutral soils and can grow in very acid soils.
It cannot grow in the shade. It prefers moist soil and can tolerate drought. The plant can tolerates strong winds but not maritime exposure.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

 Cultivated Beds;

Edible Uses

Edible Parts: Root
Edible Uses:

Root - raw or cooked[257]. The root can be dried and roasted[2, 44, 61, 161]. A sweet flavour, almost like sugar[256]. The tough and fibrous roots are rich in starch[2]. The root is roasted and then pounded to loosen the edible fibres from the stem[118]. The roasted, dried and powdered root can be stored for winter use[256]. The roots can be up to 1 metre long[256]. Lupine roots are best not eaten raw since they contain alkaloids that could be poisonous - North American Indians would fall into a drunken sleep if they ate them raw, though they are perfectly safe when cooked[256].

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

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Other Uses

Green manure

A good green manure plant for poor soils[61]. It is quite fast growing and fixes atmospheric nitrogen.

Special Uses

Nitrogen Fixer

Cultivation details

An easily grown plant, succeeding in any moderately good soil in a sunny position[1, 200]. It strongly dislikes excessive winter wet[1]. Requires an acid to neutral soil[200]. Succeeds in poor soils[60]. Plants dislike root disturbance. 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[200].

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Propagation

Pre-soak the seed for 24 hours in warm water and then sow in early spring in a greenhouse[1, 200]. Germination should take place within a couple of weeks. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. It should also be possible to sow the seed in situ in mid spring. It might be necessary to protect the sowing from mice. Division in March. Difficult. Basal cuttings, April in a cold frame. Harvest the shoots when they are about 10cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

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 NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Lupinus albusWhite LupinAnnual1.2 -  LMNM41 
Lupinus albus graecus Annual1.0 -  LMHNDM40 
Lupinus angustifoliusBlue Lupin, Narrowleaf lupineAnnual1.0 0-0  LMNM400
Lupinus arboreusTree Lupin, Yellow bush lupineShrub1.5 7-10 FLMNDM000
Lupinus hirsutus Annual0.0 -  LMHNM20 
Lupinus luteusYellow Lupin, European yellow lupineAnnual0.6 5-9  LMNM30 
Lupinus mutabilisPearl Lupin, TarwiAnnual1.5 8-11  LMHNM50 
Lupinus nootkatensisBlue Lupine, Nootka lupinePerennial0.7 4-8  LMHNM30 
Lupinus perennisSundial LupinePerennial0.6 4-8  LMNDM312
Lupinus polyphyllusBig-Leaf Lupin, LupinePerennial1.5 5-9 MLMHNM11 
Lupinus tauris Shrub0.0 -  LMNDM00 
Lupinus termisWhite LupinAnnual1.0 -  LMHNM20 

 

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Expert comment

Author

Douglas.

Botanical References

60200

Links / References

For a list of references used on this page please go here

Readers comment

Tomasz Stepkowski   Mon Nov 26 2007

Sir, I am preparing my new grant application in which I would like to focus on studies of root-nodule bacteria of native US legumes. So far I have worked on lupine rhizobia from Europe, Latin America, Australia and South Africa. Our work shows that the European (and the lupines introduced into Australia and SA) are nodulated by Bradyrhizobium strains, all of which form a single clade on nodulation nodA gene tree (so called clade II). In South America and Mexico, the lupine bradyrhizobia belong to the pantropical clade III, forming a III.2 subgroup. The III.2 subgroup consists of strains that originate from the Americas. This shows biogeographical relationships in the nodA gene phylogeny. Now, I would like to extend these studies onto rhizobia that nodulate native North American lupines. I would be grateful for any information about a possible source of the root nodules (or rhizobium strains) that originate from these lupine spp. I would be interested in a collaboration with person(s) interested in studies of these lupines rhizobia. With kind regards, Tomasz Stepkowski

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