Seeds of South Australia
Sphaeromorphaea littoralis (Compositae)
Spreading Nut-heads
List of species for Sphaeromorphaea
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Seed collecting:
January to December
Herbarium regions:
Lake Eyre, Gairdner-Torrens, Eastern, Murray, Southern Lofty
NRM regions:
Adelaide and Mount Lofty Ranges, 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 Sphaeromorphaea]
Name derivation:
Sphaeromorphaea from the Greek 'sphaira' meaning a sphere and 'morphe' meaning a form or shape; referring to the inflorescences. Littoralis from Latin meaning of or belonging to the seashore; referring to where the type specimen was collected, seashores of eastern India.
Distribution:
Found on the eastern side of South Australia from the Murray River to the Northern Territory bounder, growing in sunny places on the margins of creeks and dams, saline coastal flats and swamps, and in areas receiving very low annual rainfall. Also found in all mainland states.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Prostrate to sprawling perennial herb to 25 cm high. Stems with dense hairs when young, hairs persisting at maturity. Leaves spathulate to oblanceolate or obovate, to 60 mm long AND 15 mm wide, resin present on both surfaces, young leaves densely hairy, hairs sparse to dense at maturity, margins dentate to denticulate, with 4–14 pairs of teeth, apex acute. Flower-heads solitary or in pairs, hemispherical with yellow-green flowers. Flowers throughout the year.
Fruit type:
Brown dense daisy head.
Seed type:
No information available
Embryo type:
Spatulate.
Seed collecting:
Collect heads that are drying off and turning brown.
Seed cleaning:
Place the heads in a tray for a week to dry. Then rub the heads gently with your hands or a rubber bung to dislodge the seeds. Use a sieve to separate the unwanted material. Be careful as the seeds are very small. 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:
No information available
Seed germination:
Seeds are non-dormant, viable seed should germinate readily.