Lathyrus

Lathyrus /ˈlæθɪrəs/[2] (commonly known as peavines or vetchlings[1]) is a genus in the legume family Fabaceae and contains approximately 160 species. They are native to temperate areas, with a breakdown of 52 species in Europe, 30 species in North America, 78 in Asia, 24 in tropical East Africa, and 24 in temperate South America.[3] There are annual and perennial species which may be climbing or bushy. This genus has numerous sections, including Orobus, which was once a separate genus.[4]

Lathyrus
Grass vetchling (Lathyrus nissolia)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Tribe: Fabeae
Genus: Lathyrus
L.[1]
Species

See text

Synonyms[1]
  • Aphaca Mill.
  • Konxikas Raf.
  • Orobus L.

Uses

Many species are cultivated as garden plants. The genus includes the garden sweet pea (Lathyrus odoratus) and the perennial everlasting pea (Lathyrus latifolius). Flowers on these cultivated species may be rose, red, maroon, pink, white, yellow, purple or blue, and some are bicolored. They are also grown for their fragrance. Cultivated species are susceptible to fungal infections including downy and powdery mildew.

Other species are grown for food, including the Indian pea (L. sativus) and the red pea (L. cicera), and less commonly cyprus-vetch (L. ochrus) and Spanish vetchling (L. clymenum). The tuberous pea (L. tuberosus) is grown as a root vegetable for its starchy edible tuber. The seeds of some Lathyrus species contain the toxic amino acid oxalyldiaminopropionic acid and if eaten in large quantities can cause lathyrism, a serious disease.[5]

Diversity
Harvest of Lathyrus aphaca crop
Lathyrus aureus
Lathyrus clymenum
Lathyrus davidii
Lathyrus latifolius 'Pink Pearl'
Lathyrus nevadensis ssp. nevadensis

Species include:[6]

Jewish law

Lathyrus can be mixed with bitter peas without violating the Jewish law of Kilayim.[8]

Ecology

Lathyrus species are used as food plants by the larvae of some Lepidoptera species, including the grey chi (Antitype chi) and the latticed heath (Chiasmia clathrata), both recorded on meadow vetchling (Lathyrus pratensis), and Chionodes braunella.

Notes
  1. "genus Lathyrus". Germplasm Resources Information Network (GRIN) online database. Retrieved 10 March 2017.
  2. Sunset Western Garden Book, 1995:606–607
  3. Asmussen, C. B; A. Liston. (March 1998). "Chloroplast DNA characters, phylogeny, and classification of Lathyrus (Fabaceae)". American Journal of Botany. 85 (3): 387–401. doi:10.2307/2446332. JSTOR 2446332.
  4. Fred, Edwin Broun; Baldwin, Ira Lawrence; McCoy, Elizabeth (1932). Root Nodule Bacteria and Leguminous Plants. UW-Madison Libraries Parallel Press. p. 142. ISBN 978-1-893311-28-2.
  5. Barrow, M. V.; et al. (1974). "Lathyrism: A Review". The Quarterly Review of Biology. 49 (2): 101–128. doi:10.1086/408017. JSTOR 2820941. PMID 4601279.
  6. GRIN Species Records of Lathyrus. Archived 2008-10-14 at the Wayback Machine Germplasm Resources Information Network (GRIN).
  7. English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 511. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 22 December 2016 – via Korea Forest Service.
  8. Mishnayot Kilayim 1:1
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gollark: Funnily enough, most ARM SoCs have dedicated accelerator instructions for crypto.
gollark: As planned.


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