Pterostylis lingua M.A.Clem.

Australian Orchid Research 1: 123 (1989) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: endangered (e)

Flowering plant 15–35 cm tall, stem leaves 4–8, closely sheathing. Rosette leaves 3–12, linear-ovate, 1–3.5 mm long, 8–12 mm wide, margins entire. Flowers 1–10, porrect or semi-nodding, 2.5–3.2 cm long, shortly pedicellate, dark reddish brown, with transparent patches on the galea; dorsal sepal with an upcurved filiform point 5–6 mm long; lateral sepals broadly ovate in outline when flattened, conjoined part shallowly concave, margins incurved, ciliate, free points filamentous, 1–1.2 cm long, divergent; petals with a poorly developed proximal flange. Labellum ovate-oblong, 4–6 mm long, 2–3 mm wide, brown, thick; marginal hairs in 3–5 pairs, 1–3 mm long, white, forward-pointing; basal lobe thick, with numerous very short bristles. Flowers Oct.–Nov.

MuM. Also SA, NSW. Confined to far north-west Victoria in Eucalyptus/Casuarina woodland, on sandy soil.

Known with certainty from only 3 sites and less than 1500 individuals in Victoria and regarded as vulnerable.

Pterostylis lingua has been misidentified as P. xerophila in Victoria.

Created by: Jeff Jeanes, 2015-06-04
Updated by: Val Stajsic, 2018-02-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Pterostylis
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Pterostylis lingua in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis lingua in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Murray Mallee present native

State distribution

Distribution map
South Australia
New South Wales