Plants of
South Australia
Gratiola pumilo
Scrophulariaceae
Dwarf Brooklime
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
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Botanical art

Kath Alcock paintings: 2.

Etymology

Latin 'gratia dei' grace of god, medieval name for the species Gratiola officinalis used in medicine and Latin 'pumilio' a dwarf

Distribution and status

Grows in seasonally inundated, damp ground Rare
Herbarium regions: Murray, Southern Lofty, South Eastern
NRM regions: Adelaide and Mount Lofty Ranges, South Australian Murray-Darling Basin, South East
AVH map: SA distribution map (external link)

Plant description

Small, slender, erect, rarely decumbent perennial herb, 4-35 cm high. Leaves narrow-ovate to narrow-ovate-elliptic, 0.5-2.5 x 0.1-0.8 cm; sessile, glabrous or with scattered, tiny to coarse, eglandular hairs. Flowers single in bract axils; corolla to 7–9 mm long, white, sparsely hairy. Flowering November - January, April. Fruits are capsule broad-ovoid, 2.7-6 mm long, topped by the caducous style 1.5-1.8 mm long Seeds are seed oblong-cylindrical, reticulate, dark brown, 0.4-0.7 mm long

Seed collection and propagation

Collect seeds between November and January.

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
 
MSB

22,000 (1.37 g)
50+16-Jan-2006DJD396
South Eastern
BGA133,000 (2.57 g)50+21-Jan-2011DJD2117
Southern Lofty
1-Jan-201290%+5°C, -18°C
BGA54,000 (1.31 g)100+21-Jan-2011J.Quarmby
Southern Lofty
1-Jan-201295%-18°C
BGA36,000 (0.38 g)1028-Nov-2011MJT360
Murray
1-Nov-201290%-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.
Germination table:
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