Seeds of South Australia
Poranthera microphylla (Euphorbiaceae)
Small-leaf Poranthera
List of species for Poranthera
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Seed collecting:
November to June
Herbarium regions:
Flinders Ranges, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
Mount Gambier (SVP02)Southern Volcanic Plain
 Least Concern   [likes fire; undercollected, tiny plant]
Bridgewater (NCP01)Naracoorte Coastal Plain
 Least Concern   [likes fire; undercollected, tiny plant]
Glenelg Plain (NCP02) 
 Least Concern   [likes fire; undercollected, tiny plant]
Lucindale (NCP03) 
 Least Concern   [likes fire; undercollected, tiny plant]
Tintinara (NCP04) 
 Least Concern   [likes fire; undercollected, tiny plant]
Kangaroo Island (KAN01)Kanmantoo
 Near Threatened   [annual; needs disturbance; undercollected]
Fleurieu (KAN02) 
 Least Concern   [annual; small; undercollected]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Least Concern   [annual; small; undercollected]
Broughton (FLB02) 
 Rare   (IUCN: RA d(ii))
Southern Flinders (FLB04) 
 Rare   (IUCN: RA d(ii))
Northern Flinders (FLB05) 
 Rare   (IUCN: RA d(ii))   [outlier; annual; needs rainfall]
Central Flinders (FLB06) 
 Rare   (IUCN: RA d(ii))   [(no records)]
Southern Yorke (EYB01)Eyre Yorke Block
 Near Threatened   [Under collected.]
Eyre Hills (EYB03) 
 Least Concern
Talia (EYB04) 
 Rare   (IUCN: RA d(ii))
Eyre Mallee (EYB05) 
 Least Concern
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(ii))
Murray Lakes and Coorong (MDD03) 
 Least Concern   [likes fire; undercollected, tiny plant]
Lowan Mallee (MDD04) 
 Rare   (IUCN: RA d(ii))
Myall Plains (GAW01)Gawler
 Rare   (IUCN: RA d(ii))
Gawler Volcanics (GAW02) 
 Rare   (IUCN: RA d(ii))
Yellabinna (GVD06)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))
IBRA regions
Mount Gambier (SVP02)Southern Volcanic PlainLeast Concern
  [likes fire; undercollected, tiny plant]
4 of 4 subregionsNaracoorte Coastal PlainLeast Concern
2 of 2 subregionsKanmantooLeast Concern
, Near Threatened
5 of 6 subregionsFlinders Lofty BlockLeast Concern
, Rare
4 of 5 subregionsEyre Yorke BlockLeast Concern
, Near Threatened
, Rare
3 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
2 of 8 subregionsGawlerRare
Yellabinna (GVD06)Great Victoria DesertRare
  (IUCN: RA d(i,ii))
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 Poranthera]
Name derivation:
Poranthera from the Greek 'porus' meaning opening or pore and 'anthera' meaning anther; referring to the terminal pores of the anther cells. Microphylla from the Greek 'micros' meaning small and 'phyllon' meaning leaf. 
Found in the southern part of South Australia, growing in a wide variety of habitats including, woodland, scrublands and along creeks, clearings or firebreaks. Also found in all states and New Zealand.
Native. Common in South Australia. Common in the other states.
Plant description:
Suberect or ascending annual herb to 15 cm high, glabrous and somewhat bluish-green. Leaves alternating along the stems to opposite each other, spathulate to obovate, to 12 mm long and 4 mm wide, tips blunt, usually with a short point, glabrous. Inflorescence in short dense clusters at the tops of the stems with white or pink flowers. Flowering between September to April.
Fruit type:
Creamy depressed globular capsule to 2.5 mm diameter with 3 lobed and 6 seeds.
Seed type:
Pale yellow sectoroid seed to 0.6 mm long and 0.4 mm wide, covered in white tuberculate.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect individual mature capsules, those that are drying off, fat and contain dark hard seeds or pull out the whole plant (annual) to allow capsules to continue to mature. Green capsules can be collected if the seeds are dark and hard.
Seed cleaning:
Place the capsules in a tray and leave to dry for one to two weeks. Then gently rub the capsules with a rubber bung to dislodge the seeds. Use a sieves to separate the 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.