categoryZHorsetails Horsetails List 
categoryZDeciduous Deciduous List 

WIRRAL HORSETAIL

EQUISETUM RAMOSISSIMUM X VARIEGATUM

Equisetum meridionale

Horsetail Family [Equisetaceae]

Sterile Stems (only): yellow-green, branched or not
month8jul month8july month8aug month8sep month8sept

category
category8Horsetails
category
category8Deciduous
status
statusZneophyte
petals
petalsZ0
(0)
stem
stem8round
 
stem
stem8ribbed
4-20 ribs
stem
stem8hollow
 
toxicity
toxicityZmedium
 

30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD
Wirral Horsetail is the hybrid between Branched Horsetail (Equisetum ramosissimum) and Variegated Horsetail (Equisetum variegatum) and therefore has characteristics intermediate between these two. It is growing on sand-dunes.


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD
It can have branches, or not, most of these specimens lack branches.


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD
One of its parents, Branched Horsetail, grows up to 1m whereas the other Variegated Horsetail up to 40cm (limit 80cm) but often less than 20cm. Wirral Horsetail can be any height between these two.


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD
Branched Horsetail can have 7-20 rounded stem ridges whilst Variegated Horsetail 4-10 2-angled ridges. Therefore Wirral Horseshoe will probably have anywhere between these two number of stem ridges which are rounded or angled or anywhere inbetween...


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD


30th June 2018, West Kirby, Wirral, Merseyside. Photo: © RWD
Some out-of-focus branches from a branched specimen.


No relation to : Horse-radish (Armoracia rusticana) , Horse-Chestnut, Horseshoe Vetch (Hippocrepis comosa) nor to Horse Mint (Mentha longifolia) [plants with similar names belonging to differing families]

Wirral Horseshoe was first found in Anglesea but has got its common name from being found on the Wirral in West Kirby.

Wirral Horseshoe is the hybrid between Branched Horsetail Equisetum and Great Horsetail Equisetum telmateia.


  Equisetum meridionale  ⇐ Global Aspect ⇒ Equisetaceae  

Distribution
 family8Horsetail family8Equisetaceae

 BSBI maps
genus8Equisetum
Equisetum
(Horsetails)

WIRRAL HORSETAIL

EQUISETUM RAMOSISSIMUM X VARIEGATUM

Equisetum meridionale

Horsetail Family [Equisetaceae]