Australasian
Pollen and Spore Atlas
 

Cynodon dactylon POACEAE

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Code11-121-1a

Images

equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
wall view
wall view
aperture view
aperture view
unique feature
unique feature

Morphology

Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Polar Size Equatorial Shape(s) Polar Shape(s)
min max mean min max mean
pollen monoporate psilate,
reticulate
25.0 25.0 circular circular

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Aperture Count(s) 1
Morphology Notes Monoporate. Pore aperture round, thickly defined. Exine structure thin 1um. Psilate/reticulate. Spheroidal 25um.



Ecology and Geography

Plant Type Cotyledon Type Floristic Region(s)
angiosperm monocot India (tropical),
Maritime Southeast Asia,
Australia (tropical),
East Pacific Islands,
Other outside Australasia

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Common Name couch grass
Habitat Notes Rhizomatous and/or stoloniferous mat-forming perennial, to 0.3 m high, rooting at the nodes; culms erect or geniculate. It is widely cultivated in warm climates all over the world between about 30° south and 30° north latitude, and that get between 625–1,750 mm (24.6–68.9 in) of rainfall a year, and has medicinal properties.
Herbarium Link: http://www.anbg.gov.au/cpbr/herbarium/index.html



Collection

Collector ANU Access Code
Anne & Mark Myerscough 17204

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Collection Site Palmerston, Darwin, Northern Territory
Collection Country Australia
Collection Date 2004-11-24
Collection Notes Noted by Skottsberg on Rapa Nui (Easter Island) as Paspalum serobiculatum, in 1920. It was later named Cynodon dactylon by Zizka. Noted in the fossil pollen record of KAO3 by Gossen 2010. Also found in Diego Garcia, Indian Ocean.