Seeds of South Australia
Asteridea athrixioides (Compositae)
Wirewort
List of species for Asteridea
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Seed collecting:
September to January
Herbarium regions:
Nullarbor, Gairdner-Torrens, Flinders Ranges, Eastern, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty
NRM regions:
Adelaide and Mount Lofty Ranges, Alinytjara Wilurara, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin
AVH map:
Australian distribution map (external link)
SA Census:
Census of South Australian plants (external link)     [genus Asteridea]
Name derivation:
Asteridea from the generic name Aster and the modern Latin suffix '-ideus' meaning similar to, alluding to the general appearance of the type species to the genus Aster. Athrixioides meaning resembling the genus Atrixia.
Distribution:
Found across the central part of South Australia growing on calcareous, sandy or clayey soils in saline or alluvial flats, undulating plains and rocky hills. Also found in Western Australia and Victoria.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Ascending to erect annual herb to 20 cm high; branches with scattered cottony and scale-like hairs. Leaves linear to narrowly lanceolate to 40 mm long and 3 mm wide; margin recurved, pubescent above, cobwebby below. Single flower on a long reddish stalk with bright-yellow daisy flower. Flowering between July and November.
Fruit type:
Brown daisy head.
Embryo type:
Spathulate fully developed.
Seed collecting:
Pick by hand mature heads that are turning brown and contain semi-hard brown seed inside.
Seed cleaning:
Place the heads in a tray to dry for 1-2 weeks. Then rub the heads gently by hand to dislodge the seeds. Use a sieve 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.
Seed germination:
Seeds are non-dormant, viable seed should germinate readily.