Seed heads. Photo: Harry Rose, Moree Plains, NSW

Carpet. Photo: Harry Rose, Moree Plains, NSW

Plant. Photo: Don Wood, Carnarvon Station Bush Heritage Reserve via Augathella, Qld

Common Name

Button Grass, Finger Grass

Family

Poaceae

Notes

Annual grass to 40cm tall or sprawling. Leaves with a hairless sheath at the base. Ligule a membrane with a fringe of hairs. Leaves 4-8cm long, 2-6mm wide, flat, rough or sometimes hairy, with rough hairy edges which are sometimes wavy, with a long point. Spikelets green, 3-5mm long. Seeds with one awn about 0.5-2.5mm long.  Mature seed groups oval, digitate. Rare Vic.

Description and photo in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 79

PlantNET description:  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Dactyloctenium~radulans

ausgrass2 description with photos and line drawings:  http://ausgrass2.myspecies.info/content/dactyloctenium-radulans