Seeds of South Australia
Ipomoea racemigera (Convolvulaceae)
Inland Bell-vine
List of species for Ipomoea
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Seed collecting:
May to November
Herbarium region:
Lake Eyre
NRM region:
South Australian Arid Lands
IBRA region
Sturt Stony Desert (CHC02)Channel Country
 Near Threatened
Coongie (CHC06) 
 Near Threatened
Lake Pure (CHC07) 
 Near Threatened
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 Ipomoea]
SA Flora:
Flora of South Australia Edition 5
Name derivation:
Ipomoea from the Greek 'ips' meaning a worm (mistakenly supposed by Linnaeus to mean the bindweed) and 'homoios' meaning like; referring to its twining habit. Racemigera means bearing flowers in racemes.
Found in the far north-eastern corner of South Australia, growing on sandy soils along watercourses. Also found in Western Australia, Northern Territory and Queensland.
Native. Uncommon in South Australia. Uncommon in Western Australia. Common in the other states.
Plant description:
Annual herb covered in soft hairs with twining stems. Leaves ovate to ovate-elliptic, entire, to 8 cm long and 5.5 cm wide, bluntly acute, mucronate, base cordate, glabrous above, moderately soft hairs below. Inflorescence in unbranched clusters with 1–2 large funnel-shaped, white flowers. Flowers throughout the year but mainly between March and August.
Fruit type:
Brown ovoid-globular capsule to 8.5 mm diameter, with a persistent style base and splitting longitudinally into 4 valves.
Seed type:
Hairy seed to 5 mm long, with longer hairs along outer ridges.
Embryo type:
Seed collecting:
Collect capsules that are maturing, turning brown and contain hard seeds inside. Capsules can be opened or unopened and some seed can be collected from the ground under the plant.
Seed cleaning:
Place the capsules in a tray and leave to dry for one to two weeks. Then rub the capsules gently by hand or with a rubber bung 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:
This species has physical dormancy that needs to be overcome for the seed to germinate (e.g. nicking the seed coat).