Seeds of South Australia
Lobelia concolor (Campanulaceae)
Milky Lobelia
List of species for Lobelia
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Seed collecting:
April to June
Herbarium regions:
Northern Lofty, Murray, Southern Lofty, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, South Australian Murray-Darling Basin, South East
IBRA regions
Broughton (FLB02)Flinders Lofty Block
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Probable Decline)   [roadside records, localised, brackish with fresh flushes]
Murray Mallee (MDD02)Murray Darling Depression
 Rare   (IUCN: RA d(i,ii))   (Probable Decline)   [restricted to river]
Murray Lakes and Coorong (MDD03) 
 Near Threatened   [edge of lakes]
Wimmera (MDD05) 
 Near Threatened
Murray Scroll Belt (RIV06)Riverina
 Rare   (IUCN: RA d(ii))   (Probable Decline)
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 Lobelia]
Name derivation:
Lobelia named after Mathias de Lobel (1538-1616), physician to William of Orange and then botanist to James I of England. Concolor means same colour.
Distribution:
Found along the Murray River and around Bordertown in South Australia, growing  on heavy soil in moist depressions or sometimes associated with irrigated pastures. Also found in Queensland, New South Wales and Victoria.
Status:
Native. Rare in South Australia. Common in the other states.
Plant description:
Prostrate and somewhat succulent herb with rhizomes,roots thick and fleshy, branches smooth often zig-zagging from leaf to leaf. Leaves sessile or almost so, oblong-lanceolate to oblong-elliptic, to 30 mm long and 15 mm wide, obtuse or acute with widely spaced teeth or serrations each somewhat thickened, glabrous. Flowers singularly in the axils of leaf-like bracts towards the apex of branches, with white or pink tinged purple flowers. Flowering between January and April.
Fruit type:
Brown ellipsoid to globose capsule to 8 mm long.
Embryo type:
Linear under-developed.
Seed collecting:
Collect mature capsules, those that are fat, turning a pale straw colour and contain brown seeds. Can be time consuming to find mature capsules. Can collect individual capsules or break off whole stem.
Seed cleaning:
Place the capsules in a tray and leave to dry for one weeks. Then rub the capsules gently by hand 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:
From one collection, the seed viability was high, at 100%.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA670 (0.06 g)100+9-May-2007DJD788
South Eastern
1-Aug-2007100%-18°C
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.