Ononis repens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Ononis
Species:
O. repens
Binomial name
Ononis repens

Ononis repens, the common restharrow, is a flowering plant species in the bean family Fabaceae. The name is synonym of Ononis spinosa subsp. procurrens.[1]

Ononis repens on a Lincolnshire roadside (United Kingdom) in 2019. There is some sand on the leaves.
Plants viewed from further away

Description

It is a prostrate (maximum height 60cm) woody perennial, spreading by rhizomes.[2] It has hairy stems and small oval leaves with toothed edges. Leaflets are less than 3 times as long as wide. It occasionally has soft, weak spines, but never hard spines like those of Ononis spinosa.[3] The leaves are covered in glandular hairs which give a resinous smell on bruising. Plants are hermaphroditic.[4] The zygomorphic flowers are pink and unscented, 15–20mm, blooming from June to September.[5]

Habitat and distribution

It is found by the sea shore, on cliffs and dunes and is also common in grasslands and dry hill pastures in chalk or limestone areas, over light, well-drained soils. It may occasionally grow on roadside verges or beside railways.[6][7][8]

The species is native to Europe including the UK and Ireland. Its distribution spreads as far south as Morocco and as far east as Poland. It has declined in some parts of Britain but populations are generally stable. Although the species is very widespread, its distribution is often localised, due to its preference for particular soil conditions[9][10]

Ecology

A rare species of moth, Aplasta ononaria is specialised to lay its eggs only on common restharrow.[11]

Ononis repens is pollinated by bees.[12][13]

Like other species in the order Fabales, Ononis repens fixes nitrogen into soil from the air, promoting the growth of other plants.[14]

Culinary use

Ononis repens is related to liquorice and its roots have a very similar flavour. A liquorice flavour drink can be made by soaking the roots in cold water, and historically the young shoots have been used as a vegetable, boiled or in salads.[15]

Etymology

The English common name 'restharrow' comes from the plant's propensity to stop horse-drawn farming implements, with its hard, woody roots.[16] The word 'ononis' or 'anonis' has been used for restharrow since classical Greece and Rome and has been suggested to stem from the Ancient Greek onos for donkey because it was used to feed donkeys.[17][18] The species epithet repens is Latin for creeping, referring to the growth habit of the plant.

References

  1. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:510480-1
  2. Online Atlas of the British and Irish Flora - Ononis repens
  3. Nature Spot - Ononis repens
  4. Plants for a Future - Ononis repens
  5. Nature Spot - Ononis repens
  6. P.A. Stroh, T. A. Humphrey, R.J. Burkmar, O.L. Pescott, D.B. Roy, & K.J. Walker (ed.). "Ononis repens L." BSBI Online Plant Atlas 2020. Botanical Society of Britain and Ireland. Retrieved 17 March 2023.{{cite web}}: CS1 maint: multiple names: editors list (link)
  7. Nature Spot - Ononis repens
  8. First Nature - Ononis repens
  9. Online Atlas of the British and Irish Flora - Ononis repens
  10. Nature Spot - Ononis repens
  11. Butterfly Conservation - Rest Harrow Butterfly
  12. Plants for a Future - Ononis repens
  13. Bees, Wasps and Ants Recording Society - Melitta tricincta
  14. Plants for a Future - Ononis repens
  15. Plants for a Future - Ononis repens
  16. Northumberland Wildlife Trust - Common Restharrow
  17. Wellcome Collection - Ononis repens
  18. Quattrocchi, Umberto (1999-11-17). CRC World Dictionary of Plant Names: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology. CRC Press. ISBN 978-0-8493-2677-6.


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