Wood Bitter-vetch (Vicia orobus)

Key Details

Taxonomic Groups: Vascular plant > flowering plant > Herbaceous plant
Red List Status: Near Threatened (Not Relevant) [NT(nr)]
D5 Status: Included in the baseline Red List Index for England (Wilkins, Wilson & Brown, 2022)
Section 41 Status: (not listed)
Taxa Included Synonym: (none)
UKSI Recommended Name: Vicia orobus
UKSI Recommended Authority: DC.
UKSI Recommended Qualifier: (none specified)
Red List Citation: in Stroh et al., 2014
Notes on taxonomy/listing: (none)

Criteria

Question 1: Does species need conservation or recovery in England?
Response: Yes
Justification: VU in England; restricted to around 24 monads in Cornwall, Somerset and Cumbria
Question 2: Does recovery/ conservation depend on species-specific actions?
Response: Yes
Justification: This species has undergone a marked decline throughout its British range due to agricultural improvements of hay meadows and pastures. In England it is now very rare but very little is known about its distribution, habitats and threats.
Question 3: At a landscape scale, would the species benefit from untargeted habitat management to increase habitat mosaics, structural diversity, or particular successional stages?
Response: Yes
Justification: Alongside targeted actions, grassland management (e.g. not v high (esp. by deer) or v low grazing, appropriate meadow management) would likely help.

Species Assessment

Current step on the Species Recovery Curve (SRC): 3. National Monitoring Plan agreed and implemented
Recovery potential/expectation: Medium-high
National Monitoring Resource: Opportunistic - insufficient
Species Comments: Whilst Welsh and Scottish populations have been well surveyed in recent years, very little is known about English populations which are restricted to Cornwall, Somerset and Cumbria.

Key Actions

Key Action 1

Proposed Action: Undertake a survey of English sites to gain a better understanding of its distribution and habitats and why it has declined.

Action targets: 3. National Monitoring Plan agreed and implemented

Action type: Status survey/review

Duration: 2 years

Scale of Implementation: ≤ 50 sites

High priority sites:

Comments:

Key Action 2

Proposed Action: Undertake a study of what is known about its ecological requirements and assess its restoration potential and methods for recovery in England.

Action targets: 4. Autecology and pressures understood

Action type: Scientific research

Duration: 1 year

Scale of Implementation: Not applicable

High priority sites:

Comments:

Key Action 3

Proposed Action: Investigate potential impacts of genetic erosion and reduced fitness on small populations, exploring possibility of reinforcements.

Action targets: 4. Autecology and pressures understood

Action type: Scientific research

Duration: 1 year

Scale of Implementation: ≤ 20 sites

High priority sites:

Comments:

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Acknowledgment:
Data used on this website are adapted from Threatened species recovery actions 2025 baseline (JP065): Technical report and spreadsheet user guide (Natural England, 2025). Available here.