Plants › Dogbane Family
black swallow-wort
Vincetoxicum nigrum
28 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
European swallow-wortVincetoxicum rossicum
Swallow-wortVincetoxicum hirundinaria
greater periwinkleVinca major
Japanese honeysuckleLonicera japonica
common buckthornRhamnus cathartica
Asian bittersweetCelastrus orbiculatus
hemp dogbaneApocynum cannabinum
autumn clematisClematis terniflora
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 4,915 |
|---|---|
| Massachusetts | 2,440 |
| New York | 893 |
| Alaska | 539 |
| Canada | 495 |
| Ontario | 423 |
| New Jersey | 239 |
| New Hampshire | 221 |
| Michigan | 218 |
| Rhode Island | 199 |
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 | Dogbane Family · Apocynaceae |
| Genus | dog-strangling vines · Vincetoxicum |
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 black swallow-wort with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.