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Fam.: Poaceae \ Süßgräser / Grass Fam.  

Synon.:  Digitaria henryi  RENDLE

Gattung / Genus:  Digitaria  HALLER
 

Autoren / Authors:
   RETZ.:  Anders Jahan Retzius (1742 - 1821), schwedischer Chemiker + Botaniker / Swedish chemist + botanist
   KOELER:  Georg Ludwig Koeler (1765 - 1807), deutscher Arzt + Botaniker / German physician + botanist
   RENDLE:  Alfred Barton Rendle (1865 - 1938), englischer Botaniker / English botanist
   HALLER:  Albrecht von Haller (1708 - 1777), schweizer Mediziner + Botaniker / Swiss physician + botanist
 

Etymologie / Etymology:
   Digitaria:   digitus = Finger / digitus = finger
   ciliaris:   bewimpert / ciliate
   henryi:   Augustine (Austin) Henry (1857 - 1930), irischer Botaniker, Pflanzensammler in China / Irish botanist who collected in China
 

Digitaria ciliaris ist ein Gras aus den Asien, das aber in große Teile der Welt verschleppt wurde, besonders in den Tropen und Subtropen. Bis vor wenigen Jahren gab es in Deutschland nur sporadische Funde, doch seit etwa 2008 gab es vermehrt Funde in der Schweiz, und inzwischen auch auf Ödland und in Maisfeldern in der Oberrheinischen Tiefebene in Südwestdeutschland. In der folgenden Tabelle werden einige Unterschiede zur einheimischen Blut-Hirse Digitaria sanguinalis aufgezählt:

Eigenschaft D. ciliaris D. sanguinalis
Blattscheiden kahl (die unterste manchmal rauhaarig) behaart
Blattspreite kahl (an der Basis manchmal wenige lange Haare)   behaart
Ligula 2 - 3,5 mm 1 - 2 mm
Länge der Ährchen   etwa 4 mm etwa 3 mm

Digitaria ciliaris is a grass native to Asia but has been introduced to large parts of the world, particularly in the tropics and subtropics. Until a few years ago there were only sporadic finds in Germany, but since about 2008 there have been more finds in Switzerland, and now also on wasteland and in corn fields in the Upper Rhine Valley in Southwest Germany. The following table lists some differences to the native Hairy Finger Grass Digitaria sanguinalis:

Attribute D. ciliaris D. sanguinalis
Sheaths glabrous (the lowest sometimes hirsute) hairy
Leaf blade glabrous (sometimes few long hairs at the base)   hairy
Ligula 2 - 3.5 mm 1 - 2 mm
Spikelet length   about 4 mm about 3 mm

 

Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 1:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 2:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 3:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 4:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 5:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 6:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 7:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 8:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 9:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 10:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 11:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 12:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 13:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 14:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 15:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Schwanau 3.9.2022
Fig. 16:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Schwanau 3.9.2022
Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass, D Offenburg 3.9.2022
Fig. 17:  Digitaria ciliaris \ Wimper-Fingerhirse / Southern Crab Grass, Tropical Finger-Grass
D Offenburg 3.9.2022

 


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