National Recovery Plan for the Hairy-Stemmed Zig-Zag Wattle (Acacia Subflexuosa subsp. Capillata)
Anne Harris and Andrew Brown
Interim Recovery Plan No: 156
Department of Conservation and Land Management, October 2003
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- National Recovery Plan for the Hairy-Stemmed Zig-Zag Wattle (Acacia Subflexuosa subsp. Capillata) (PDF - 119 KB) | (RTF - 4.13 MB)
About the plan
The first collection of Acacia subflexuosa subsp. capillata was made by Basil Smith in September 1982. However, at that time it was determined as Acacia leptoneura. This changed when the specimen was informally identified as a new subspecies by Cowan and Maslin in 1990 (Herbarium database records). A. subflexuosa subsp. capillata was formally described in Nuytsia in 1999 (Cowan and Maslin 1999).
Surveys undertaken in 1994, 1997 and 2001 located two new subpopulations and relocated another that was previously known only from herbarium records. All subpopulations occur on disturbed, weedy road verges over a range of less than 5 km. The largest (Subpopulation 1a) currently contains 37 plants, while 1b, 1c and 1d contain five, one and three plants respectively. A total of 46 live plants are currently known.
The Department of Conservation and Land Management (CALM) has notified the Shire of Tammin and adjoining private property owners about the locations of Acacia subflexuosa subsp. capillata. Although Declared Rare Flora markers were installed, disturbance to Subpopulation 1a during road maintenance was documented in 2000. Weed competition and inappropriate fire regimes also have an impact on populations of A. subflexuosa subsp. capillata and its habitat.
A draft Interim Recovery Plan (IRP) was prepared for the subspecies in 1998 (Roberts 1998). Information from that draft and further information collected since that that time has been incorporated into this Plan.
The subspecific epithet from the Latin capillatus (hairy) refers to the indumentum on many parts of the plant (Cowan and Maslin 1999).
Acacia subflexuosa subsp. capillata is a rounded shrub to 1 m tall with thickened, sharply-pointed phyllodes, 3 to 4 cm long and 1 to 1.5 mm wide. Flowers are in yellow globular heads, on 4 to 6 mm long stalks and appear from August to November. Pods are narrow and coiled, 4 cm long and 2 mm wide.
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