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    Setaria verticilliformis  DUMORT.    
 

Fam.: Poaceae / Grass Fam.  

Synon.:  Setaria verticillata  (L.) P.BEAUV.  subsp. ambigua  (GUSS.) K.RICHT.

Genus:  Setaria  P.BEAUV.
 

Authors:
   DUMORT.:  Barthélemy Charles Joseph Dumortier (1797 - 1878), Belgian politician and botanist
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
   P.BEAUV.:  Ambroise Marie François Joseph Palisot de Beauvois (1752 - 1820), French naturalist
   GUSS.:  Giovanni Gussone (1787 - 1866), Italian botanist
   K.RICHT.:  Karl Richter (1855 - 1891), Austrian botanist
 

Etymology:
   Setaria:   seta = bristle
   verticilliformis:   similar to Setaria verticillata
   verticillata:   whorled
   ambigua:   doubtful
 

The spikelets of Setaria verticilliformis have bristles with small upward-pointing spiny hairs, which feel very rough when stroking downwards.
In the very similar Setaria verticillata the bristles are directed downwards, so that they feel very rough when you stroke upwards. That's why the panicle clings to the fur of animals, until it is stripped at another place, as distribution mechanism.

 

Setaria verticilliformis / Barbed Bristle Grass, I Liguria, Borzonasca 29.9.2023
Fig. 1:  Setaria verticilliformis / Barbed Bristle Grass
I Liguria, Borzonasca 29.9.2023
Setaria verticilliformis / Barbed Bristle Grass, I Liguria, Borzonasca 29.9.2023
Fig. 2:  Setaria verticilliformis / Barbed Bristle Grass
I Liguria, Borzonasca 29.9.2023
Setaria verticilliformis / Barbed Bristle Grass, I Liguria, Borzonasca 29.9.2023
Fig. 3:  Setaria verticilliformis / Barbed Bristle Grass
I Liguria, Borzonasca 29.9.2023
Setaria verticilliformis / Barbed Bristle Grass, I Liguria, Borzonasca 29.9.2023
Fig. 4:  Setaria verticilliformis / Barbed Bristle Grass
I Liguria, Borzonasca 29.9.2023
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 5:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 6:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 7:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 8:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 9:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 10:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 11:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018
Setaria verticilliformis / Barbed Bristle Grass, D Konstanz 6.6.2018
Fig. 12:  Setaria verticilliformis / Barbed Bristle Grass
D Konstanz 6.6.2018

 


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