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Lupinus angustifolius L.

Narrowleaf lupine (en), Lupin bleu (fr), Lupin à feuilles étroites (fr)

Species

Angiosperms > Fabales > Fabaceae > Lupinus

Characteristics

Herbaceous annual becoming somewhat woody at fruiting; stems sericeous, branched. Leaflets 6-9, glabrous above, sericeous below, elliptic-oblong to linear, obtuse, 15-40 × 2-5 mm; stipules linear-subulate, 4-10 mm long. Infl. 3-13 cm long, few-to many-flowered; peduncle 5-30 mm long. Fls usually alternate, sometimes subverticillate in upper part of infl.; pedicels 2-4 mm long. Calyx densely hairy; upper lip very deeply 2-partite; lower lip longer and entire or shallowly 3-toothed, with 2 smaller lobes often present between it and upper lip. Corolla light blue to dark purplish blue, not scented, 11-15 mm long. Pod villous, 3-6-seeded, 45-60 mm long; seeds globular, smooth, variously mottled grey, brown and yellow, 4-8 mm diam.
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An annual herb. The leaflets are narrow and can be spoon shaped. They are less than 5 mm wide and are slightly hairy underneath. The flowers are dark blue and 11-13 mm long. They are produced alternately along the flower stalk. The pod has short hairs. The pods are yellow to black when ripe.
Erect, hairy, much-branched annual, 0.2-1.5 m tall. Leaves palmately 5-9-foliolate, leaflets linear to narrowly obovate. Flowers in subsessile racemes, alternate to almost whorled, blue, calyx long-haired, 2-lipped, keel apex dark, beaked. Pods acute or rostrate, compressed, short-hairy.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread epizoochory
Mature width (meter) 0.18 - 0.38
Mature height (meter) 1.0
Root system -
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer
Photosynthetic pathway c3

Environment

Cultivated and rocky ground on light acid soils45, . Roadsides, degraded shrubland, abandoned fields and shrub steppe, as well as in meadows, amongst rocks and bushes, and on sandy seashores; at elevations up to 1,500 metres.
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It is a temperate plant. It mainly grows on sandy acid soils. In Argentina it grows below 100 m above sea level.
Light 6-8
Soil humidity 5-6
Soil texture 3-6
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 7-10

Usage

The seeds of low alkaloid selections are used in the preparation of tempeh. CAUTION: Correct varieties must be chosen. Others are poisonous.
Uses fodder forage gene source green manure medicinal poison wood
Edible seeds
Therapeutic use Tumor (unspecified), Coffee (unspecified), Antifungal agents (unspecified)
Human toxicity toxic (seed), toxic (whole)
Animal toxicity toxic (seed), toxic (whole)

Cultivation

Can be grown by seedlings. Seeds needs soaking.
Mode seedlings
Germination duration (days) 15 - 45
Germination temperacture (C°) 14 - 17
Germination luminosity dark
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 12 - 18
Size -
Vigor -
Productivity -

Images

Habit

Lupinus angustifolius habit picture by anne pichon (cc-by-sa)
Lupinus angustifolius habit picture by Stefano Lazzaretti (cc-by-sa)
Lupinus angustifolius habit picture by v. karel (cc-by-sa)

Leaf

Lupinus angustifolius leaf picture by Porzio Leandro (cc-by-sa)
Lupinus angustifolius leaf picture by Jan van den Nieuwendijk (cc-by-sa)
Lupinus angustifolius leaf picture by de buena planta (cc-by-sa)

Flower

Lupinus angustifolius flower picture by anne pichon (cc-by-sa)
Lupinus angustifolius flower picture by Annie Charbonnel (cc-by-sa)
Lupinus angustifolius flower picture by Isa Nature83 (cc-by-sa)

Fruit

Lupinus angustifolius fruit picture by Aig Garcia (cc-by-sa)
Lupinus angustifolius fruit picture by Uxeli (cc-by-sa)
Lupinus angustifolius fruit picture by Marie (cc-by-sa)

Distribution

Lupinus angustifolius world distribution map, present in Australia, Austria, Azerbaijan, Bulgaria, Belarus, Brazil, Canada, Switzerland, China, Cyprus, Czech Republic, Germany, Algeria, Egypt, Estonia, Ethiopia, France, Greece, Guatemala, Hungary, India, Italy, Jamaica, Jordan, Kenya, Lebanon, Libya, Lithuania, Latvia, Morocco, Moldova (Republic of), Mongolia, New Zealand, Poland, Portugal, Romania, Russian Federation, Slovakia, Tunisia, Taiwan, Province of China, Ukraine, United States of America, and South Africa

Conservation status

Lupinus angustifolius threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:504124-1
WFO ID wfo-0000213485
COL ID 3WF65
BDTFX ID 40162
INPN ID 106766
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Lupinus opsianthus Lupinus semiverticillatus Lupinus maissuriani Lupinus leucospermus Lupinus linifolius Lupinus reticulatus Lupinus canaliculatus Lupinus philistaeus Lupinus cryptanthus Lupinus angustifolius subsp. brachystachys Lupinus angustifolius subsp. cryptanthus Lupinus angustifolius subsp. leucospermus Lupinus angustifolius subsp. linifolius Lupinus angustifolius subsp. linifolius Lupinus angustifolius var. cryptanthus Lupinus angustifolius var. linifolius Lupinus angustifolius var. reticulatus Lupinus reticulatus subsp. linifolius Lupinus angustifolius

Lower taxons

Lupinus angustifolius subsp. reticulatus Lupinus angustifolius subsp. angustifolius
WorldFloraDB 2024