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Vorige Art/previous species (Left arrowball from Animation City 1991)     Equisetum x geissertii  LUBIENSKI & BENNERT     Nächste Art/next species (Right arrowball from Animation City 1991)
 

Fam.: Equisetaceae / Horsetail Fam.      

Hybrid formula (parents):  Equisetum hyemale  L.  x  Equisetum x meridionale  (MILDE) CHIOV.

Genus:  Equisetum  L.
 

Authors:
   LUBIENSKI:  Marcus Lubienski, German botanist with main focus on Equisetum
   BENNERT:  Wilfried Herbert Bennert (1945 - ), German botanist
   MILDE:  Julius Milde (1824 - 1871), German botanist
   CHIOV.:  Emilio Chiovenda (1871 - 1941), Italian botanist
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
 

Etymology:
   Equisetum:   equus = horse, seta = bristle
   geissertii:   Fritz Geissert (1923 - 2005), botanist from Alsace (France) (GEISSERT)
   hyemale:   hibernal
   meridionale:   southern
 

Equisetum x geissertii is the triple hybrid Equisetum hyemale x Equisetum x meridionale, which corresponds to Equisetum hyemale x Equisetum ramosissimum x Equisetum variegatum.
The plant occurs at few locations of the Upper Rhine valley in Baden (Germany, Baden-Württemberg). Differences to the similar Equisetum x alsaticum are that the bards at the sheaths are becoming brighter towards the tip, and the whole plants tend to be more dainty, both are influences of Equisetum variegatum. At the somewhat swollen sheaths the involvement of Equisetum ramosissimum becomes obvious. Opposite to the similar Equisetum x trachyodon the teeth of the sheaths have no hook-shaped coverings of silicate.

 

Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 1:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 2:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 3:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 4:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 5:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 6:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 7:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 8:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 9:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 10:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 11:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 12:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 13:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 14:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 15:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 16:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 17:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 18:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 19:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 20:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 21:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 22:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 23:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 24:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 25:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 26:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 27.8.2013
Fig. 27:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 27.8.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 28:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 29:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 30:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 31:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 32:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 33:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 34:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 35:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 36:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 37:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 38:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 39:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 40:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 41:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 42:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 43:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 44:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 45:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 46:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013
Equisetum x geissertii / Geissert's Horsetail, D Au am Rhein 30.6.2013
Fig. 47:  Equisetum x geissertii / Geissert's Horsetail
D Au am Rhein 30.6.2013

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