Lathyrus

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Pisum
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Lathyrus
Grass vetchling (Lathyrus nissolia)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Clade: Inverted repeat-lacking clade
Tribe: Fabeae
Genus: Lathyrus
L. (1753), nom. cons.[1]
Species[2]

181; see text

Synonyms[2]
  • Anurus C.Presl (1837)
  • Aphaca Mill. (1754)
  • Astrophia Nutt. (1838)
  • Athyrus Neck. (1790), opus utique oppr.
  • Cicercula Medik. (1787)
  • Clymenum Mill. (1754)
  • Graphiosa Alef. (1861)
  • Konxikas Raf. (1840)
  • Lastila Alef. (1861)
  • Lathyroides Heist. (1759), nom. superfl.
  • Lathyros St.-Lag. (1880), orth. var.
  • Menkenia Bubani (1899)
  • Navidura Alef. (1861)
  • Nissolia Mill. (1754), nom. rej.
  • Ochrus Mill. (1754)
  • Orobus L. (1753)
  • Oxypogon Raf. (1819)
  • Pisum L. (1753)
  • Platystylis Sweet (1828)
  • Spatulima Raf. (1837)
  • Vavilovia Fed. (1939)

Lathyrus /ˈlæθɪrəs/[3] is a genus of flowering plants in the

perennial species which may be climbing or bushy. This genus has numerous sections, including Orobus, which was once a separate genus.[5] The genus has numerous synonyms, including Pisum, the ancient Latin name for the pea.[6]

Uses

Several species are grown for food, including the

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.[7]

Many species are cultivated as garden plants. The genus includes the garden

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
.

Species

Harvest of Lathyrus aphaca crop
Lathyrus aureus
Lathyrus clymenum
Lathyrus davidii
Lathyrus latifolius 'Pink Pearl'
Lathyrus nevadensis ssp. nevadensis
Lathyrus odoratus
, sweet pea mixture
Lathyrus vernus, spring pea

181 species are currently accepted.[2][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. Lathyrus growth abundance and size both decrease in response to increased temperatures in montane meadows.[10]

Notes

  1. ^ a b "genus Lathyrus". Germplasm Resources Information Network (GRIN) online database. Retrieved 10 March 2017.
  2. ^ a b c Lathyrus L. Plants of the World Online. Retrieved 9 August 2023.
  3. ^ Sunset Western Garden Book, 1995:606–607
  4. PMID 21684923
    .
  5. .
  6. (paperback). pp 304
  7. .
  8. ^ GRIN Species Records of Lathyrus. Archived 2008-10-14 at the Wayback Machine Germplasm Resources Information Network (GRIN).
  9. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 22 December 2016 – via Korea Forest Service
    .
  10. .

External links

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