Seeds of South Australia
Parietaria cardiostegia (Urticaceae)
Mallee Pellitory
List of species for Parietaria
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Seed collecting:
September to January
Herbarium regions:
North Western, Lake Eyre, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Alinytjara Wilurara, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
SUMMARY
Kangaroo Island (KAN01)Kanmantoo
 Least Concern
Fleurieu (KAN02) 
 Rare   (IUCN: RA d(ii))   [undercollected]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(i,ii))   [undercollected]
Broughton (FLB02) 
 Least Concern
Olary Spur (FLB03) 
 Least Concern
Southern Flinders (FLB04) 
 Least Concern
Northern Flinders (FLB05) 
 Least Concern
Central Flinders (FLB06) 
 Least Concern
Southern Yorke (EYB01)Eyre Yorke Block
 Rare   (IUCN: RA d(i))
St Vincent (EYB02) 
 Least Concern
Eyre Hills (EYB03) 
 Least Concern   [common after fire]
Talia (EYB04) 
 Least Concern   [common after fire]
Eyre Mallee (EYB05) 
 Least Concern   [common after fire]
South Olary Plain (MDD01)Murray Darling Depression
 Least Concern
Murray Lakes and Coorong (MDD03) 
 Rare   (IUCN: RA d(i,ii))
Braemer (MDD07) 
 Least Concern
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(i,ii))
Myall Plains (GAW01)Gawler
 Least Concern   [common after fire]
Gawler Volcanics (GAW02) 
 Least Concern   [common after fire]
Gawler Lakes (GAW03) 
 Rare   (IUCN: RA d(ii))   [common after fire]
Arcoona Plateau (GAW04) 
 Rare   (IUCN: RA d(ii))   [common after fire]
Kingoonya (GAW05) 
 Least Concern   [common after fire]
Yellabinna (GVD06)Great Victoria Desert
 Rare   (IUCN: RA d(ii))   [common after fire]
Bimbowrie (BHC05)Broken Hill Complex
 Least Concern
Breakaways (STP01)Stony Plains
 Near Threatened
Oodnadatta (STP02) 
 Near Threatened
Peake-Dennison Inlier (STP04) 
 Near Threatened
Witjira (STP06) 
 Near Threatened
Coongie (CHC06)Channel Country
 Rare   (IUCN: RA d(ii))   [odd record]
Mann-Musgrave Block (CER01)Central Ranges
 Near Threatened
Everard Block (CER03) 
 Near Threatened
IBRA regions
DISPLAY ALL
2 of 2 subregionsKanmantooLeast Concern
, Rare
6 of 6 subregionsFlinders Lofty BlockLeast Concern
, Rare
5 of 5 subregionsEyre Yorke BlockLeast Concern
, Rare
3 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
Murray Scroll Belt (RIV06)RiverinaRare
  (IUCN: RA d(i,ii))
5 of 8 subregionsGawlerLeast Concern
, Rare
Yellabinna (GVD06)Great Victoria DesertRare
  (IUCN: RA d(ii))   [common after fire]
Bimbowrie (BHC05)Broken Hill ComplexLeast Concern
4 of 7 subregionsStony PlainsNear Threatened
Coongie (CHC06)Channel CountryRare
  (IUCN: RA d(ii))   [odd record]
2 of 3 subregionsCentral RangesNear Threatened
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 Parietaria]
Name derivation:
Parietaria from the Latin 'paries' meaning a wall; referring to some species growing on old walls. The name was used by the Roman naturalist and philosopher Pliny. Cardiostegia from the Greek 'kardio' meaning a heart and 'stege' meaning shelter; referring to heart-shaped leaf-like bracts below the flower groups.
Distribution:
Found scattered across South Australia except in the far west and South-east, growing in shaded habitats in shallow sandy soil. Also found in all states except in Queensland.
Status:
Native. Common in South Australia. rare in Victoria. Uncommon in the Northern territory. Common in the other states.
Plant description:
Annual herb to 60 cm high, not woody at base, stems usually erect, not rooting at the nodes, brown to red, densely covered in curved hairs and scattered glandular and flexuose hairs. Leaf blade narrowly ovate to ovate, to 3 cm long and 21 mm wide, 3-nerved, base truncate or broadly cuneate or subcordate, apex broadly acuminate or blunt. Inflorescence in clusters at the base of the leaves with small (3 mm) green flowers. Lower clusters mostly female flowers, upper clusters with mixed male, female, and bisexual flowers. Flowering between June and November.
Fruit type:
Long brown capsule in axis of leaves with one seed.
Seed type:
Shiny dark brown to black ovoid to ellipsoid seed to 1.3 mm long and 0.7 mm wide.
Seed collecting:
Collect capsules that are turning brown by break off stems with numerous mature capsules.
Seed cleaning:
Place the plant material in a tray and leave to dry for one to two weeks. Then rub the plant with a rubber bung to dislodge the seeds. Use a sieve to separate any unwanted material. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place.