Seeds of South Australia
Lipocarpha microcephala (Cyperaceae)
Button Rush
List of species for Lipocarpha
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Herbarium regions:
North Western, Murray
NRM regions:
Alinytjara Wilurara, South Australian Murray-Darling Basin
IBRA regions
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(ii))   (Probable Decline)
Kintore (GVD04)Great Victoria Desert
 Rare   (IUCN: RA d(ii))   [ephemeral; abundant in a wet year]
Tallaringa (GVD05) 
 Rare   (IUCN: RA d(ii))   [ephemeral; abundant in a wet year]
Breakaways (STP01)Stony Plains
 Rare   (IUCN: RA d(ii))   [ephemeral; abundant in a wet year]
Oodnadatta (STP02) 
 Rare   (IUCN: RA d(ii))   [ephemeral; abundant in a wet year]
Sturt Stony Desert (CHC02)Channel Country
 Rare   (IUCN: RA d(ii))   [ephemeral; abundant in a wet year]
RSCA map:
Regional Species Conservation Assessments per IBRA subregion. Please click the thumbnail map.
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Lipocarpha]
Name derivation:
Greek 'liparos' shining, 'karphos' chaff and 'micro' small, 'cephale' head.
Grows in open damp places such as sandy stream banks.
Plant description:
Annual, with slender stems and filiform basal leaves. Inflorescence of 1-4 ovoid spikes. Spikelets oblong-obovate, 1-1.7mm long, pale brown often tinged red-brown. Flowering March-April.
Fruit type:
Nut subterete, very narrow-ellipsoid, 0.7–1 mm long, 0.2 mm in diameter, pale brown.