Seeds of South Australia
Phyllanthus striaticaulis (Euphorbiaceae)
Pointed Spurge
List of species for Phyllanthus
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Seed collecting:
July to February
Herbarium regions:
Yorke Peninsula, Southern Lofty, Kangaroo Island
NRM regions:
Adelaide and Mount Lofty Ranges, Kangaroo Island, Northern and Yorke
IBRA regions
Kangaroo Island (KAN01)Kanmantoo
 Near Threatened   [not often seen]
Fleurieu (KAN02) 
 Rare   (IUCN: RA d(ii))   [undercollected; highly restricted, in reserves]
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Vulnerable   (IUCN: VU D2)   [highly restricted, in reserves]
Southern Yorke (EYB01)Eyre Yorke Block
 Vulnerable   (IUCN: VU B2ab(i,ii,iii))   (Probable Decline)   [grazing a pressure]
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 Phyllanthus]
Name derivation:
Phyllanthus from the Greek 'phyllon' meaning a leaf and 'anthos' meaning a flower; referring to some foreign species where the flowers grow on the edges of dilated leaf-like branchlets. Striaticaulis from Latin meaning striatred stem; referring to the noticeable ribbing on the branchlets.
Distribution:
Endemic to South Australia and found on Kangaroo Island, Fleurieu Peninsula and Yorke Peninsula, growing in dry sclerophyll forest, grassy woodland and in coastal heaths.
Status:
Native. Rare in South Australia.
Plant description:
Dioecious shrub to 60 cm tall with prominently ribbed, glabrous to hairy stems. Leaves alternate, in opposite pair, concave, elliptical, lanceolate, obovate to oblanceolate, to 12.5 mm long and 4.2 mm wide, light-green to mid-green, glabrous or hairy. Male inflorescence in axillary clusters with 1-4 white or green flowers. Female inflorescence in axillary clusters with 1-2 yellow-green flowers. Flowering between June and February.
Fruit type:
Green depressed-globular capsule to 2.4 mm long and 3.8 mm wide, lobed.
Seed type:
Brown sectoroid seed to 2 mm long and 1.5 mm wide, with deep striation and fine tuberculate surface texture.
Embryo type:
Spatulate fully developed.
Seed collecting:
Collect individually or break off short fruiting stems with fat capsules with hard dark seed. 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.