Seeds of South Australia
Alyxia buxifolia (Apocynaceae)
Sea box
List of species for Alyxia
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Seed collecting:
December to April
Herbarium regions:
Nullarbor, Gairdner-Torrens, Flinders Ranges, 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
Bridgewater (NCP01)Naracoorte Coastal Plain
 Near Threatened
Tintinara (NCP04) 
 Rare   (IUCN: RA d(i,ii))   [edge of range]
Kangaroo Island (KAN01)Kanmantoo
 Least Concern
Fleurieu (KAN02) 
 Rare   (IUCN: RA d(ii))
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Rare   (IUCN: RA d(ii))   (Probable Decline)   [mainly coastal, in Aldinga Scrub & around Merino; threats: coastal decline, people use, urbanisation]
Southern Flinders (FLB04) 
 Least Concern   [Very robust spp.]
Southern Yorke (EYB01)Eyre Yorke Block
 Least Concern   [Very robust spp.]
St Vincent (EYB02) 
 Least Concern   [Very robust spp.]
Eyre Hills (EYB03) 
 Least Concern
Talia (EYB04) 
 Least Concern
Eyre Mallee (EYB05) 
 Least Concern
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   [limited habitat]
Murray Lakes and Coorong (MDD03) 
 Least Concern   [attracts honey eaters]
Myall Plains (GAW01)Gawler
 Least Concern
Gawler Volcanics (GAW02) 
 Least Concern
Gawler Lakes (GAW03) 
 Rare   (IUCN: RA d(i,ii))   [limited habitat]
Maralinga (GVD03)Great Victoria Desert
 Rare   (IUCN: RA d(i,ii))   [limited habitat]
Yellabinna (GVD06) 
 Least Concern
Yalata (NUL03)Nullarbor
 Least Concern
IBRA regions
2 of 4 subregionsNaracoorte Coastal PlainNear Threatened
, Rare
2 of 2 subregionsKanmantooLeast Concern
, Rare
2 of 6 subregionsFlinders Lofty BlockLeast Concern
, Rare
5 of 5 subregionsEyre Yorke BlockLeast Concern
2 of 6 subregionsMurray Darling DepressionLeast Concern
, Rare
3 of 8 subregionsGawlerLeast Concern
, Rare
2 of 4 subregionsGreat Victoria DesertLeast Concern
, Rare
Yalata (NUL03)NullarborLeast Concern
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 Alyxia]
Name derivation:
Alyxia from the Greek 'alysis' meaning a chain or an escape, may refer to the chain fruit or indicate the remote areas in which it was found. Buxifolia from 'buxus', the genus of ancient box tree and the Latin 'folium' meaning leaf, referring to the species having leaves like the boxwood.
Found mainly in coastal regions of South Australia but can be inland on Eyre Peninsula and Yorke Peninsula. Also found in Western Australia, New South Wales, Victoria and Tasmania.
Native. Common in South Australia. Common in the other states.
Plant description:
Dense perennial shrub to 2 m tall but on the coast, often stunted to less than 50 cm, with thick, smooth, green and shiny lance-shaped leaves arranged opposite to each other. Flowers are white and tubular, with five petals arranged almost at right angles to each other. Flowering between October and February.
Fruit type:
Round fleshy red berries to 10 mm across.
Seed type:
Yellow woody elipsoid seed to 10 mm across.
Embryo type:
No information available.
Seed collecting:
Collect berries that are red or turning red.
Seed cleaning:
Place the fruits in a bucket of water and rub the flesh off the fruits with your hands then rinse and drain leaving just the clean seeds behind. Place the seeds on paper towels and leave to dry overnight. 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.
Seed viability:
From one collection, the seed viability was high, at 80%.
Seed germination:
This species has a combination of physical (hard seed coat) and physiological dormancies that needs to be overcome for the seed to germinate.
Seeds stored:
LocationNo. of seeds
(weight grams)
of plants
Collection number
Collection location
% ViabilityStorage
BGA1300 (50.9 g)50+7-Mar-2006DJD426
Yorke Peninsula
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.