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Fam.: Asteraceae / Composite Fam.  

Synon.:  Leuzea rhapontica  (L.) HOLUB  subsp. bicknellii  (BRIQ.) HOLUB x ,  Stemmacantha heleniifolia  (GODR. & GREN.) DITTRICH  subsp. bicknellii  (BRIQ.) DITTRICH x

Genus:  Rhaponticum  LUDW.,  Leuzea  DC.,  Stemmacantha  CASS.
 

Authors:
   GODR.:  Dominique Alexandre Godron (1807 - 1880), French physician and botanist
   GREN.:  Jean Charles Marie Grenier (1808 - 1875), French botanist
   BRIQ.:  John Isaac Briquet (1870 - 1931), Swiss botanist
   GREUTER:  Werner Rodolfo Greuter (1938 - ), Swiss botanist
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
   HOLUB:  Josef Ludwig Holub (1930 - 1999), Czech botanist
   DITTRICH:  Manfred Dittrich (1934 - ), German botanist in Berlin
   LUDW.:  Christian Gottlieb Ludwig (1709 - 1773), German physician and botanist
   DC.:  Augustin-Pyrame de Candolle (1778 - 1841), Swiss botanist
   CASS.:  Alexandre Henri Gabriel de Cassini (1781 - 1832), French botanist
 

Etymology:
   Rhaponticum:   withh Rhubarb-like leaves
   heleniifolium:   helenium-leaved
   bicknellii:   Clarence Bicknell (1842 - 1918), English priest and amatuer botanist in Italy
   Leuzea:   Joseph Philippe Francois de Leuze (1753 - 1835), French botanist
   rhapontica:   with rhubarb-like leaves
   Stemmacantha:   stemma = crown, ake = thorn
 

Rhaponticum heleniifolium subsp. bicknellii originates from the Alpes Maritimes in Southeastern France.

 

Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed, F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Fig. 1:  Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed (cultiv.)
F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed, F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Fig. 2:  Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed (cultiv.)
F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed, F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Fig. 3:  Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed (cultiv.)
F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed, F Vosges, Botan. Gar. Haut Chitelet 5.8.2008
Fig. 4:  Rhaponticum heleniifolium subsp. bicknellii / Bicknell's Knapweed (cultiv.)
F Vosges, Botan. Gar. Haut Chitelet 5.8.2008

 


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