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Fam.: Portulacaceae / Purslane Fam.      

Synon.:  Portulaca oleracea  L.  subsp. nitida  DANIN & H.G.BAKER

Genus:  Portulaca  L.
 

Authors:
   DANIN:  Avinoam Danin (1939 - 2015), botanist in Jerusalem (Israel)
   H.G.BAKER:  Herbert George Baker (1920 - 2001), British-American botanist
   RICCERI:  Carlo Ricceri (1933 - ), Italian botanist
   ARRIGONI:  Pier Virgilio Arrigoni (1932 - ), Italian botanist
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
 

Etymology:
   Portulaca:   portula = little door (purgative effect)
   nitida:   glossy (seed)
   oleracea:   vegetable
 

Botanic professor AVINOAM DANIN from Israel distinguished and described six different species in the Portulaca oleracea aggregate according to their seed. The seed has a diameter between 0,6 and 1 mm. The surfaces of the seeds have totally different structures, so according to the surface structures and the size of the seed different species can be distinguished. At least four of these species have also been found in Germany. At the small-seeded tetraploid Portulaca nitida the structure consists of small smooth flat stars with relative long and acute arms, which are seamless gearing into each other. Moreover in Germany Portulaca granulatostellulata, Portulaca papillatostellulata, and Portulaca oleracea s.str. (= stellulata) have been found. First findings of these species in Nordrhine-Westphalia have been presented in Funde von Portulaca granulatostellulata, P. nitida und P. papillatostellulata in Nordrhein-Westfalen.

 

Portulaca nitida / Glossy Purslane, D Jülich 22.8.2018
Fig. 1:  Portulaca nitida / Glossy Purslane
D Jülich 22.8.2018
Portulaca nitida / Glossy Purslane, D Jülich 22.8.2018
Fig. 2:  Portulaca nitida / Glossy Purslane
D Jülich 22.8.2018
Portulaca nitida / Glossy Purslane, D Jülich 22.8.2018
Fig. 3:  Portulaca nitida / Glossy Purslane
D Jülich 22.8.2018
Portulaca nitida / Glossy Purslane, D Jülich 22.8.2018
Fig. 4:  Portulaca nitida / Glossy Purslane
D Jülich 22.8.2018
Portulaca nitida / Glossy Purslane, D Jülich 22.8.2018
Fig. 5:  Portulaca nitida / Glossy Purslane
D Jülich 22.8.2018
Portulaca nitida / Glossy Purslane, D Jülich 6.10.2018
Fig. 6:  Portulaca nitida / Glossy Purslane (Mikroskop 200x)
D Jülich 6.10.2018
Portulaca nitida / Glossy Purslane, D Jülich 6.10.2018
Fig. 7:  Portulaca nitida / Glossy Purslane
D Jülich 6.10.2018
Portulaca nitida / Glossy Purslane, D Jülich 24.1.2019
Fig. 8:  Portulaca nitida / Glossy Purslane (scale 1 mm, size ~680 micrometer)
D Jülich 24.1.2019

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