Seeds of South Australia
Drosera peltata (Droseraceae)
Pale Sundew
List of species for Drosera
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Seed collecting:
October to December
Herbarium regions:
Flinders Ranges, Eyre Peninsula, Northern Lofty, 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 East
IBRA region
Central Flinders (FLB06)Flinders Lofty Block
 Endangered   (IUCN: EN B2ab(i,ii,iii))   (Probable Decline)   [climate sensitive; in Wilpena]
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 Drosera]
SA Flora:
Flora of South Australia Edition 5
Name derivation:
Drosera from the Greek 'droseros' meaning dewy; alluding to the glistening of the glandular leaf laminae. Peltata from the Greek 'pelte' meaning a light shield; referring to shape of leaf and position of stalk in center of leaf.
Distribution:
Found in the southern part of South Australia from the Flinders Ranges, Eyre Peninsula to teh lower South-east, growing in moist areas. Also found in Northern Territory, Queensland, New South Wales, Victoria and Tasmania.
Status:
Native. Common in South Australia. Rare in Northern Territory. Common in the other states.
Plant description:
Erect perennial herb with an erect rhizome arising from a red globose tuber. Rosette leaves soil-appressed, usually present at flowering time, to 10 mm in diameter, semi-orbicular-lunate, not peltate, lower stem leaves often reduced to a petiole with a minute unexpanded lamina, upper leaves yellow-green or reddish, solitary or in groups of 2–4, petiole to 10 mm long, crescentic, auriculate, peltate, to 6 mm in diameter. Inflorescence to 22 mm high, yellow-green or reddish, branching above or rarely with a single branch from the base, sepals green or blackish, to 5 mm long, hairy, margins fimbriate. Petals pink or white, to 7 mm long, obovate. Flowering between August and November.
Fruit type:
Brown globose capsule to 6 mm diameter, erect, enclosed in persistent sepals.
Seed type:
Black ovoid seed to 0.6 mm long by 0.3 mm wide, with a mesh-like surface.
Seed collecting:
Collect mature capsules, those that are fat, hard, turning brown and contain black seeds inside.
Seed cleaning:
Place the capsules in a tray and leave to dry for one to two weeks. Then rub the capsules gently by hand 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 viability:
From two collections, the seed viability were high, at 100%.
Seeds stored:
LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA8900 (0.38 g)5023-Nov-2007RJB76190
South Eastern
19-Sep-2008100%-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.