grass pea

Lathyrus sativus · Accepted scientific name

Scientific literature: Sparse (80 studies) · ★★☆☆☆

Grass pea, scientifically known as Lathyrus sativus, is a resilient legume prized for its ability to thrive in harsh, drought-prone environments. While historically used as a vital food security crop, it requires careful management due to potential neurotoxicity. This versatile plant remains a crucial subject in nutritional science.

Family
Fabaceae
Native range
Europe
Parts used
Seed
Common names
Chicling-Vetch · Grass-Pea · 17 more
Scientific synonyms
Lathyrus Asiaticus · Lathyrus Sativus Var. Pulchrus · 32 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Lathyrus sativus

Synonyms

Regional and Traditional Names

Spanish:

  • Lathyrus asiaticus
  • Pedruelo
  • Harina de almortas
  • Lathyrus sativas
  • Harina de almorta
  • Almorta
  • almorta

German:

  • Saat-Platterbse
  • Eßbare Platterbse
  • Kicherling
  • Saatplatterbse
  • Saat-Platterbse

French:

  • gesse blanche
  • gesse commune
  • gesse cultivée
  • lentille d'Espagne
  • pois carré
  • Gesse cultivee
  • Gesse

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Fabales, it is classified under the family Fabaceae. Finally, it is categorized under the genus Lathyrus.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Fabales
Family Fabaceae
Genus Lathyrus

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse distribution across several regions of the European continent. In Northern Europe, it can be specifically located within Great Britain. Its presence extends significantly into Middle Europe, where it is found in Austria and Belgium. Furthermore, the species is documented within the borders of Germany. Finally, its geographical range includes the territories of Czechia and Slovakia.

Region Area
Northern Europe Great Britain
Middle Europe Austria
Middle Europe Belgium
Middle Europe Czechia-Slovakia
Middle Europe Germany
Middle Europe Hungary
Middle Europe Switzerland
Southwestern Europe France
Southwestern Europe Portugal
Southwestern Europe Spain

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lathyrus sativus is characterized by its remarkable adaptability to diverse landscapes and varying altitudes. It thrives across a broad elevational range, spanning from sea level (0 m AMSL) up to heights of 3000 m AMSL. In terms of preferred environments, the species is commonly found inhabiting anthropogenically influenced areas, specifically colonizing crop fields and old fields. This ability to persist in disturbed agricultural and fallow lands suggests a resilient ecological nature suited to open, sunlit habitats.

Elevational range max:
3000 m AMSL
Elevational range min:
0 m AMSL
Habitat :
crop fields, old fields

Life history

The life history of Lathyrus sativus is characterized by its classification as an annual plant, meaning it completes its entire developmental cycle—from germination to seed production and death—within a single growing season. In terms of its ecological strategy and structural habit, it is categorized as a therophyte, a life form that survives unfavorable environmental conditions primarily through resistant seeds that remain dormant until the onset of favorable conditions. This life form allows the species to exploit seasonal resources effectively before returning to a seed stage to await the next cycle.

Life form :
therophyte
Lifecycle :
annual

Morphology

The morphology of Lathyrus sativus is characterized by a non-woody, herbaceous growth form, specifically classified as a forb. This terrestrial plant exhibits a prostrate shoot orientation and functions as a self-supporting climber rather than an obligatory vine or liana. In terms of stature, the plant typically maintains a height ranging from a minimum of 0.3 m to a maximum of 1 m, with a mean height of approximately 0.625 m. Its development is non-parasitic, operating as an independent organism, and it does not exhibit epiphytic behavior, remaining strictly terrestrial. The shoots of the plant can reach a maximum length of 70 cm, contributing to its overall structural habit.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
herb
Growth form :
forb
Parasite :
independent
Plant height max:
1 m
Plant height mean:
0.625 m
Plant height min:
0.3 m
Shoot length max:
70 cm
Shoot orientation :
prostrate
Woodiness :
non-woody

Physiology

The physiology of Lathyrus sativus is characterized by a highly efficient metabolic profile, most notably its ability to function as a nitrogen fixer, which allows the plant to convert atmospheric nitrogen into usable forms through symbiotic relationships. Its carbon assimilation follows the C3 photosynthetic pathway, a standard metabolic process for this species. The vegetative architecture is defined by its foliage, which features elliptic-shaped leaves that exhibit significant dimensional variability. These leaves typically range in length from a minimum of 4 cm to a maximum of 10 cm, while their width varies between a narrow 0.2 cm and a broader 0.7 cm.

Leaf form :
elliptic
Leaf length max:
10 cm
Leaf length min:
4 cm
Leaf width max:
0.7 cm
Leaf width min:
0.2 cm
Nitrogen fixer :
yes
Photosynthetic pathway :
C3

Reproduction

The reproduction of Lathyrus sativus is characterized by a biotic pollination syndrome, primarily driven by insects, which facilitates the fertilization process. The plant features blue flowers that serve as the reproductive structures, and it is capable of self-fertilization. The flowering period typically commences in June and concludes in July. Following successful pollination, the plant develops dry fruit in the form of a pod. These pods vary in size, with lengths ranging from a minimum of 2.3 cm to a maximum of 4.7 cm, and widths spanning from 1 cm to 2 cm. The resulting seeds exhibit a mean mass of approximately 0.215588889 g, with individual seed masses ranging from a minimum of 0.0538 g to a maximum of 0.1279 g. Furthermore, the seed volume is consistent at a mean and recorded range of 86 mm³.

Flower colour :
blue
Flowering time :
Jun
Flowering time :
Jul
Fruit dryness :
dry
Fruit length max:
4.7 cm
Fruit length min:
2.3 cm
Fruit type :
pod
Fruit width max:
2 cm
Fruit width min:
1 cm
Pollination syndrome :
insect
Pollination syndrome :
biotic
Seed mass max:
0.1279 g
Seed mass mean:
0.215588889 g
Seed mass min:
0.0538 g
Seed volume max:
86 mm³
Self fertilization :
present

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Lathyrus sativus has 1 reported plant parts identified across 6 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include seed.

Plant parts reported in Lathyrus sativus
Plant part Supporting sources Consensus
Seed 6 supporting sources ★★★☆☆

Seed

  1. Toxicon : official journal of the International Society on Toxinology
  2. Natural toxins
  3. Rapid communications in mass spectrometry : RCM
  4. Analytical biochemistry
  5. Journal of pharmaceutical and biomedical analysis
View 1 additional sources
  1. Environmental research

Chemicals

Lathyrus sativus has 29 reported phytochemicals identified across 6 scientific publications and several other databases. The most consistently reported chemicals include beta-N-Oxalyl-L-alpha,beta-diaminopropionic acid, ODAP, beta-ODAP, Dencichine, methionine.

Chemicals reported in Lathyrus sativus
Chemical Supporting sources Consensus
beta-N-Oxalyl-L-alpha,beta-diaminopropionic acid 6 supporting sources ★★★☆☆
ODAP 3 supporting sources ★★☆☆☆
beta-ODAP 3 supporting sources ★★☆☆☆
Dencichine 2 supporting sources ★☆☆☆☆
methionine 2 supporting sources ★☆☆☆☆
proline 2 supporting sources ★☆☆☆☆
2,3-diaminopropionic acid 1 supporting sources ★☆☆☆☆
3-N-Oxalyl-L-2,3-diaminopropionic acid 1 supporting sources ★☆☆☆☆
3-amino-propanal 1 supporting sources ★☆☆☆☆
ABA 1 supporting sources ★☆☆☆☆

beta-N-Oxalyl-L-alpha,beta-diaminopropionic acid

  1. Journal of neurochemistry
  2. Journal of chromatography. A
  3. Environmental research
  4. Natural toxins
  5. Journal of agricultural and food chemistry
View 1 additional sources
  1. Neurochemical research

ODAP

  1. Natural toxins
  2. Journal of agricultural and food chemistry
  3. Neurochemical research

beta-ODAP

  1. Biological & pharmaceutical bulletin
  2. Ying yong sheng tai xue bao = The journal of applied ecology
  3. Analytical biochemistry

Dencichine

  1. Rapid communications in mass spectrometry : RCM
  2. Journal of pharmaceutical and biomedical analysis

methionine

  1. Ying yong sheng tai xue bao = The journal of applied ecology
  2. Planta

proline

  1. Plant physiology and biochemistry : PPB
  2. Indian journal of biochemistry & biophysics

2,3-diaminopropionic acid

  1. Biological & pharmaceutical bulletin

3-N-Oxalyl-L-2,3-diaminopropionic acid

  1. Journal of agricultural and food chemistry

3-amino-propanal

  1. Archives of biochemistry and biophysics

ABA

  1. Plant physiology and biochemistry : PPB

Activities

Lathyrus sativus has 2 reported activities identified across 6 scientific publications and several other databases. The most consistently reported activities include Neurotoxic, Neurotoxin.

Activities reported in Lathyrus sativus
Activity Supporting sources Consensus
Neurotoxic 3 supporting sources ★★☆☆☆
Neurotoxin 3 supporting sources ★★☆☆☆

Neurotoxic

  1. Analytical biochemistry
  2. Journal of agricultural and food chemistry
  3. Environmental research

Neurotoxin

  1. Journal of neurochemistry
  2. Natural toxins
  3. Neurochemical research

Conditions

Lathyrus sativus has 12 reported investigations on conditions identified across 6 scientific publications and several other databases. The most consistently reported conditions include lathyrism, neurolathyrism, spastic paraparesis, Neurolathyrism, Water stress.

Conditions investigated for Lathyrus sativus
Condition Supporting sources Consensus
Lathyrism 4 supporting sources ★★☆☆☆
Neurolathyrism 4 supporting sources ★★☆☆☆
Spastic paraparesis 2 supporting sources ★☆☆☆☆
Neurolathyrism 1 supporting sources ★☆☆☆☆
Water stress 1 supporting sources ★☆☆☆☆
Amyotrophic lateral sclerosis 1 supporting sources ★☆☆☆☆
Muscular atrophies 1 supporting sources ★☆☆☆☆
Neurogenic bladder 1 supporting sources ★☆☆☆☆
Oxidative stress 1 supporting sources ★☆☆☆☆
Salinity stress 1 supporting sources ★☆☆☆☆

Lathyrism

  1. Toxicon : official journal of the International Society on Toxinology
  2. Neurology
  3. Archivos latinoamericanos de nutricion
  4. Environmental research

Neurolathyrism

  1. Toxicon : official journal of the International Society on Toxinology
  2. Revista de neurologia
  3. Environmental research
  4. Planta

Spastic paraparesis

  1. Schweizer Archiv fur Neurologie, Neurochirurgie und Psychiatrie = Archives suisses de neurologie, neurochirurgie et de psychiatrie
  2. Neurology

Neurolathyrism

  1. Environmental research

Water stress

  1. Journal of agricultural and food chemistry

Amyotrophic lateral sclerosis

  1. Schweizer Archiv fur Neurologie, Neurochirurgie und Psychiatrie = Archives suisses de neurologie, neurochirurgie et de psychiatrie

Muscular atrophies

  1. Schweizer Archiv fur Neurologie, Neurochirurgie und Psychiatrie = Archives suisses de neurologie, neurochirurgie et de psychiatrie

Neurogenic bladder

  1. Schweizer Archiv fur Neurologie, Neurochirurgie und Psychiatrie = Archives suisses de neurologie, neurochirurgie et de psychiatrie

Oxidative stress

  1. Plant physiology and biochemistry : PPB

Salinity stress

  1. Plant physiology and biochemistry : PPB

Preparations

Lathyrus sativus has 8 reported preparations identified across 6 scientific publications and several other databases. The most consistently reported preparations include seeds, a diet, alcoholic extract, crude extracts of LS plant material, flour.

Preparations reported for Lathyrus sativus
Preparation Supporting sources Consensus
Seeds 2 supporting sources ★☆☆☆☆
A diet 1 supporting sources ★☆☆☆☆
Alcoholic extract 1 supporting sources ★☆☆☆☆
Crude extracts of ls plant material 1 supporting sources ★☆☆☆☆
Flour 1 supporting sources ★☆☆☆☆
Ripe seeds 1 supporting sources ★☆☆☆☆
Seed extracts 1 supporting sources ★☆☆☆☆
Seedlings 1 supporting sources ★☆☆☆☆

Seeds

  1. Analytical biochemistry
  2. Environmental research

A diet

  1. Neurology

Alcoholic extract

  1. Neurology

Crude extracts of ls plant material

  1. Journal of chromatography. A

Flour

  1. Allergy

Ripe seeds

  1. Toxicon : official journal of the International Society on Toxinology

Seed extracts

  1. Analytical biochemistry

Seedlings

  1. Analytical biochemistry