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Fam.: Asteraceae / Composite Fam.  

Genus:  Bidens  L.
 

Authors:
   KUNTH:  Karl Sigismund Kunth (1788 - 1850), German botanist who described many of the plants which HUMBOLDT brought from Southern America
   WEDD.:  Hugh Algernon Weddell (1819 - 1877), botanist in France with main focus on South America
   SHERFF:  Earl Edward Sherff (1886 - 1966), botanist in Michigan (USA)
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
 

Etymology:
   Bidens:   bis = double, dens = tooth
   triplinervia:   with three nerves
   macrantha:   largeflowered
 

Bidens triplinervia var. macrantha is a yellow flowering ornamental plant from South America that likes to seed. Differences to the similar Bidens ferulifolia are the round stem and the narrow and hairy inner bracts.

 

Bidens triplinervia var. macrantha / Three-Nerved Beggartick, D Bochum 9.8.2021
Fig. 1:  Bidens triplinervia var. macrantha / Three-Nerved Beggartick
D Bochum 9.8.2021
Bidens triplinervia var. macrantha / Three-Nerved Beggartick, D Essen 9.8.2021
Fig. 2:  Bidens triplinervia var. macrantha / Three-Nerved Beggartick
D Essen 9.8.2021
Bidens triplinervia var. macrantha / Three-Nerved Beggartick, D Essen 9.8.2021
Fig. 3:  Bidens triplinervia var. macrantha / Three-Nerved Beggartick
D Essen 9.8.2021
Bidens triplinervia var. macrantha / Three-Nerved Beggartick, D Essen 9.8.2021
Fig. 4:  Bidens triplinervia var. macrantha / Three-Nerved Beggartick
D Essen 9.8.2021
Bidens triplinervia var. macrantha / Three-Nerved Beggartick, D Essen 9.8.2021
Fig. 5:  Bidens triplinervia var. macrantha / Three-Nerved Beggartick
D Essen 9.8.2021

 


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Copyright: Use of the images and texts only with the author's written permission.