Sponge-fruit Trachymene,
Cotton-ball Trachymene
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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
Display IBRA region text
Southern Flinders (FLB04) | Flinders Lofty Block | Rare (IUCN: RA d(ii)) [edge of range] |
Central Flinders (FLB06) | | Vulnerable (IUCN: VU D2) |
Eyre Hills (EYB03) | Eyre Yorke Block | Least Concern [should be more records] |
Eyre Mallee (EYB05) | | Least Concern [should be more records] |
Myall Plains (GAW01) | Gawler | Least Concern [should be more records] |
Gawler Volcanics (GAW02) | | Least Concern [should be more records] |
Yellabinna (GVD06) | Great Victoria Desert | Least Concern [should be more records] |
Botanical art
Kath Alcock painting: 1
Prior names
Didiscus eriocarpus
Trachymene eriocarpa
Dimetopia eriocarpa
Didiscus ornatus var. semilanatus
Trachymene ornata var. semilanata
Trachymene ornata var. ornata
Common names
Sponge-fruit Trachymene
Cotton-ball Trachymene
Etymology
Greek 'trachys' rough, 'mene' moon and Latin 'ornatus' adorned
Distribution and status
Found in rocky areas often on shallow soils. Common
Herbarium regions: Gairdner-Torrens, Flinders Ranges, Eastern
NRM regions: Eyre Peninsula, Northern and Yorke, South Australian Arid Lands
AVH map: SA distribution map (external link)
Plant description
Annual herb, 4-20 cm high, stems sparsely hairy. Leaves deeply 3-lobed to dissected, scattered hairs, lamina ovate in outline, 1–3 cm long, 0.5–3 cm wide. Inflorescence an 3-6 flowered umbel, 10mm in diameter, petals white. Flowering July-October. Fruits are fruit broad ovate, 4-5 mm long, 6-8 mm broad, both mericarps developed and covered with dense woolly white hairs.
Location | No. of seeds (weight grams) | Number of plants | Date collected | Collection number Collection location | Date stored | % Viability | Storage temperature | BGA | 12,000 (20.51 g) | 50+ | 3-Nov-2005 | DJD180 Eyre Peninsula | 9-Aug-2006 | 75% | -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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