Diuris eborensis  |  

Diuris eborensis

Status: Endangered on the EPBC Act list

NSW Scientific Committee (2015) state that ÒDiuris eborensis D.L. Jones (family Orchidaceae) has
been described by Jones (2006a) as: “Glabrous, terrestrial herb, growing singly or in loose groups.
Leaves 3-6, tufted, 70-300 mm x 3-6 mm straight. Flower stem 150-350 mm, 1-4-flowered. Flowers
semi-erect to semi-nodding 18-23 mm across, pale yellowish with dark reddish purple streaks and
striations on dorsal sepal and labellum. Dorsal sepal obliquely erect, 8-12 x 6-9 mm. Lateral sepals
obliquely deflexed, 15-20 x 2.5-4 mm. Petals incurved or spreading; stalk 5-5.7 mm long, purplish,
expanded into blade; blade 6-9 x 3-5.5 mm. Labellum 11-14 mm long; side lobes 3-5 x 2 mm, margins
densely papillate; midlobe broadly ovate, 7-10 x 8-12 mm, basal margins papillate, distal margins
scalloped. Callus with 2 broad papillate marginal ridges and a long central ridge, 5-8 mm long,
ÒThe distinguishing features of Diuris eborensis are noted by Jones (2006a) as follows: “Flowers pale
yellow with dark purplish stripes on dorsal sepal and labellum; midlobe with scalloped margins;
callus with 2 broad papillate marginal ridges and a long central ridge.”

Government evidence of impact of climate change:

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  • Australian Government, Conservation Advice, Diuris eborensis

    This requires consideration of all components of the fire regime and adherence to fire frequency thresholds in the NSW Rural Fire Service Bush Fire Code Threatened Species Hazard Reduction list for plants. http www.rfs.nsw.gov.au data assets pdf file 0017 24335 ThreatenedSpeciesHaza rdReductionList Part1 Plants.pdf Reduce the adverse impacts of grazing by domestic stock on known sites Invasive species Reduce impact of weeds on known populations.

    Priorities include impacts of fire regimes on the species; along with tolerance to grazing or disturbance.