Flower heads (as Schoenoplectus validus). Photo: John Tann, Kings Plains National Park, NSW

Seed heads (as Schoenoplectus validus). Australian Plant Image Index, photo: Murray Fagg, Vanities Crossing, Brindabella Range, ACT

Plants (as Schoenoplectus validus). Australian Plant Image Index, photo: Murray Fagg, Vanities Crossing, Brindabella Range, ACT

Common Name

River Club-rush

Family

Cyperaceae

Notes

Perennial sedge to 5m tall, occasionally to 5m. Leaves reduced to sheaths, rarely the uppermost leaf with a blade to 10cm long. Spikelets oval, reddish brown to brown, 5-13mm long, 4-5mm diameter, with 0 petals. Inflorescence an open group, with 1-4 spikelets per branch, at the top of the flower stem, with a rigid bract subtending the inflorescence. Grows in water. Schoenoplectus validus in NSW and SA.

Description (as Scirpus validus) in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 172

PlantNET description (as Schoenoplectus validus):  http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Schoenoplectus~validus