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Daviesia Physodes LC Taxonomic Authority: A.Cunn

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Daviesia Physodes LC Taxonomic Authority: A.Cunn Daviesia physodes LC Taxonomic Authority: A.Cunn. ex G.Don Global Assessment Regional Assessment Region: Global Endemic to region Synonyms Common Names PRICKLY BITTER PEA English Upper Level Taxonomy Kingdom: PLANTAE Phylum: TRACHEOPHYTA Class: MAGNOLIOPSIDA Order: FABALES Family: LEGUMINOSAE Lower Level Taxonomy Rank: Infra- rank name: Plant Hybrid Subpopulation: Authority: General Information Distribution Daviesia physodes is endemic to Australia, distributed in the state of Western Australia. Range Size Elevation Biogeographic Realm Area of Occupancy: Upper limit: 380 Afrotropical Extent of Occurrence: Lower limit: Antarctic Map Status: Depth Australasian Upper limit: Neotropical Lower limit: Oceanian Depth Zones Palearctic Shallow photic Bathyl Hadal Indomalayan Photic Abyssal Nearctic Population Total population size and dynamics are not known, but a recent survey in 2005 suggests 100 plants from a population in Western Australia (MSBP 2010) growing in dense low heath. Total Population Size Minimum Population Size: Maximum Population Size: Habitat and Ecology This large shrub grows on sandy soils over laterite or limestone in plains, hills and winter-wet flats of Western Australia. It grows in woodlands, shrublands or heath. System Movement pattern Crop Wild Relative Terrestrial Freshwater Nomadic Congregatory/Dispersive Is the species a wild relative of a crop? Marine Migratory Altitudinally migrant Growth From Definition Shrub - large Perennial shrub (>1m), also termed a Phanerophyte (>1m) Threats This species is susceptible to Phytophthora cinnamomi, the jarrah dieback pathogen (Groves et al. 2009). This is a serious threat to the forest areas which caused the death of thousands of hectares of forest in this area (Boden and Given 1995). It is recommended that D. physodes populations and the effects of jarrah dieback pathogen on these populations are monitored in the near future. Much of the original vegetation of south-west Western Australia has been cleared for urban development and agriculture, and much of the remaining land is privately owned. Past Present Future 1 Habitat Loss/Degradation (human induced) 1.1 Agriculture 1.1.1 Crops 1.4 Infrastructure development 1.4.2 Human settlement 8 Changes in native species dynamics 8.5 Pathogens/parasites Conservation Measures It is known to occur in the following protected areas: Morangup Nature Reserve, Yeal Nature Reserve, Lake Logue Nature Reserve and John Forrest National Park. Most of these protected areas are from the north-west part of the species range, therefore it is recommended that further protected areas are identified. This species is not listed as Threatened under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) and it has been assessed under the CALM Conservation Code for Western Australian Flora as Not Threatened (Smith 2010). Its seeds have been collected for the Millennium Seed Bank Project, with seed collections stored at: Wakehurst Place, Royal Botanic Gardens, Kew (UK) and Dept. of Conservation & Land Management-Threatened Flora Seed Centre (CALM-TFSC) (Australia). In Place Needed 3 Research actions 3.2 Population numbers and range 3.5 Threats 4 Habitat and site-based actions 4.4 Protected areas 5 Species-based actions 5.5 Disease, pathogen, parasite management 5.7 Ex situ conservation actions 5.7.2 Genome resource bank Countries of Occurrence PRESENCE ORIGIN Year Breeding Non- Passage Possibly ExtinctPresence Native Introduced Re- Vagrant Origin Round Season breeding migrant extinct uncertain Introduced uncertain only season only Australia Western Australia General Habitats Score Description Major Importance 1 Forest 1UnsetSuitable 1.4 Forest - Temperate1Unset Suitable 2 Savanna 1UnsetSuitable 2.1 Savanna - Dry1Unset Suitable 3 Shrubland 1UnsetSuitable 3.8 Shrubland - Mediterranean-type Shrubby Vegetation1Unset Suitable Species Utilisation Species is not utilised at all Trend in the level of wild offtake/harvest in relation to total wild population numbers over the last five years: Trend in the amount of offtake/harvest produced through domestication/cultivation over the last five years: CITES status: Not listed IUCN Red Listing Red List Assessment:(using 2001 IUCN system) Least Concern (LC) Red List Criteria: Date Last Seen (only for EX, EW or Possibly EX species): Is the species Possibly Extinct? Possibly Extinct Candidate? Rationale for the Red List Assessment D. physodes is listed as Least Concern in view of its wide distribution in Western Australia within its natural range, the fact that it is known to occur in protected areas and that its seeds have been banked for ex situ conservation. Since the area where this species occurs was cleared for urban development and agriculture it is recommended that the remaining fragmented habitat is surveyed in the near future to asses the state of the populations and that new protected areas are identified. It is also recommended that the impact of P.cinnamomi pathogen on D. physodes populations is continued to be closely monitored. Reason(s) for Change in Red List Category from the Previous Assessment: Genuine Change Nongenuine Change No Change Genuine (recent) New information Taxonomy Same category Genuine (since first assessment) Knowledge of Criteria Criteria Revisio and criteria Incorrect data used Other Same category but previously change in criteria Current Population Trend: Stable Date of Assessment: 12/07/2010 Name(s) of the Assessor(s): Malcolm, P. Evaluator(s): Notes: % population decline in the past: Time period over which the past decline has been measured for applying Criterion A or C1 (in years or generations): % population decline in the future: Time period over which the future decline has been measured for applying Criterion A or C1 (in years or generations): Number of Locations: Severely Fragmented: Number of Mature Individuals: Bibliography Commonwealth of Australia, 1999, Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act)10 June 2010, , , Crisp, M.D., 1995, Contributions towards a revision of Daviesia (Fabaceae: Mirbelieae). III. A synopsis of the genus., Australian Systematic Botany, 1155-1249, , Grieve, B.J., 1998, How to know Western Australian Wildflowers, , University of Western Australian Press, Nedlands Groves, E., Hollick, P., Hardy, G., McComb, J., 2009, Appendix 2 Western Australian Natives Susceptible to Phytophthora cinnamomi, , , MSBP, 2010, Millennium Seed Bank Project. Seed Bank Database, , Royal Botanical Gardens, Kew, Smith, M.G., 2010, Declared Rare and Priority Flora List for Western Australia, 25 March 2010, , Dept of Environment and Conservation, Como, W.A, Wheeler, J., Marchant, N. and Lewington, M., 2002, Flora of the south west: Bunbury - Augusta - Denmark., , ABRS and W.A. Herbarium in association with UWA Press, Canberra World Wildlife Fund, 2001, Kwongan heathlands (AA1205), Wild World Ecoregion Profile06 July 2010, , , World Wildlife Fund, 2001, Southwest Australia woodlands (AA1210), Wild World Ecoregion Profile06 July 2010, , , .
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