Seeds of South Australia
Lobelia gibbosa (Campanulaceae)
Tall Lobelia
List of species for Lobelia
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Seed collecting:
January to April
Herbarium regions:
Flinders Ranges, Eyre Peninsula, Northern Lofty, Murray, Yorke Peninsula, Southern Lofty, Kangaroo Island, South Eastern
NRM regions:
Adelaide and Mount Lofty Ranges, Eyre Peninsula, Kangaroo Island, Northern and Yorke, South Australian Arid Lands, South Australian Murray-Darling Basin, South East
IBRA regions
Kangaroo Island (KAN01)Kanmantoo
 Least Concern   [susceptible to salt]
Fleurieu (KAN02) 
 Near Threatened
Mount Lofty Ranges (FLB01)Flinders Lofty Block
 Least 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 Lobelia]
Name derivation:
Lobelia named after Mathias de Lobel (1538-1616), physician to William of Orange and then botanist to James I of England. Gibbosa from the Latin 'gibbosus' meaning having a hump.
Distribution:
Found in the southern part of South Australia, from the southern Flinders Ranges to the lower South-east, growing moist places in a wide range of habitats. Also found in Western Australia, Queensland, New South Wales, Victoria and Tasmania.
Status:
Native. Common in South Australia. Common in the other states.
Plant description:
Erect succulent or semi-succulent glabrous annual to 60 cm high, often with a red-tinged. Stems solitary or several from near base. Leaves linear to narrowly oblanceolate, rarely narrowly lanceolate, to 70 mm long and 5 mm wide, usually reduced toward inflorescence and withered at in flower. Flowers bisexual, in terminal and sometimes axillary with 4–15 blue flowers, 2 short petals on the top and 3 longer petals on the bottom. Flowering between October to March.
Fruit type:
Brown ovoid tom conical capsule to 9 mm long.
Seed type:
Very small, brown ovoi9d seed to 0.3 mm long and 0.2 mm wide, with a wrinkled surface.
Embryo type:
Linear under-developed.
Seed collecting:
Collect mature capsules, those that are fat, turning a pale straw colour and contain brown seeds. Can collect individual capsules or break off the whole fruit spike if most capsules are matured.
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
BGA54400 (0.37 g)5018-Feb-2007RJB71409
Southern Lofty
1-Aug-2007100%-18°C
BGA265000 (0.71 g)5021-Nov-2007RJB75731
South Eastern
19-Sep-200890%+5°C, -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.