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Species · Flowering plants

Yellow-wort

Blackstonia perfoliata

2,540Records since 2000
JunePeak month
73Counties with records

When it is recorded

Jan2
Feb2
Mar5
Apr15
May168
Jun762
Jul662
Aug429
Sep182
Oct93
Nov43
Dec6

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Worcestershire England176
2Cambridgeshire England74
3Oxfordshire England74
4Sefton England64
5Doncaster England64
6Gloucestershire England62
7Surrey England55
8Dorset England50
9Rutland England47
10Kent England46
11Isle of Wight England41
12Portsmouth England41
13Kingston upon Hull, City of England41
14Devon England38
15Herefordshire, County of England35
2,076 England14 Scotland74 Wales11 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 73 counties in all.

About this species

Records since 2000
2,540
Peak month
June
Counties with records
73
Scientific name
Blackstonia perfoliata
Group
Flowering plants
NBN Atlas records since 2000
6,105
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Gentianales
Family
Gentianaceae
Genus
Blackstonia
Name with authority
Blackstonia perfoliata (L.) Huds.
Contributing datasets
30

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q159623 · GBIF 6366886