Plants › gentian family
Yellow-wort
Blackstonia perfoliata
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Late-flowering Yellow-wortBlackstonia acuminata
Blackstonia grandiflora
Blackstonia imperfoliata
Yellow VetchlingLathyrus aphaca
Yellow CentauryCentaurium maritimum
Dowdy Plume MothStenoptilia zophodactylus
Peronospora chlorae
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 21,029 |
|---|---|
| Alaska | 21,029 |
| United Kingdom | 1,265 |
| England | 1,165 |
| France | 1,149 |
| Spain | 719 |
| Occitanie | 416 |
| Italy | 367 |
| Cataluña/Catalunya | 238 |
| Provence-Alpes-Côte d'Azur | 206 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | Gentians, Dogbanes, Madders, and Allies · Gentianales |
| Family | gentian family · Gentianaceae |
| Genus | Blackstonia |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Yellow-wort with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.