Pterostylis woollsii W.Fitzg.

Long-tail Greenhood

Austral. Orch. 1 (2): t. 8 (1876) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988

Flowering plant to 45 cm tall, stem leaves 2–5, closely sheathing. Rosette leaves 6–10, 1.5–4 cm long, 8–20 mm wide, broadly ovate-lanceolate, margins entire. Flowers 1–6, porrect to semi-erect, c. 3.5 cm long, transparent with green and reddish tonings; dorsal sepal with an upcurved filiform point 1.5–2 cm long; lateral sepals deflexed, conjoined part broadly ovate in outline when flattened, shallowly to deeply concave, margins strongly incurved, ciliate, free points long-filiform, 10–13 cm long, deflexed, parallel to divergent, 15–30 mm apart at the tips; petals with a poorly developed proximal flange. Labellum elliptic to obovate, 12–15 mm long, 3–4 mm wide, reddish brown, thin-textured, apex beaked; marginal hairs 8–10 pairs, c. 3 mm long; basal lobe extended backwards, c. 3 mm long, with a single erect pair of hairs c. 6 mm long at the base and another pair c. 2 mm long at the apex. Flowers Oct.–Dec.

Gold. Also Qld, NSW. Very rare in Victoria where known only from the Rushworth area in mallee and adjacent Box/Ironbark forest on stony or gravelly well-drained soils.

Easily recognised by the very long thread-like free points to the lateral sepals and the large basal appendage on the labellum.

Source: Jones, D.L. (1994). Pterostylis. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Jeff Jeanes, 2015-06-09
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 woollsii in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis woollsii in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Goldfields present native

State distribution

Distribution map
New South Wales