Species profile—Pterostylis woollsii (long-tailed greenhood)
Classification
Plantae (plants) → Equisetopsida (land plants) → Orchidaceae → Pterostylis woollsii (long-tailed greenhood)
Species details
- Kingdom
- Plantae (plants)
- Class
- Equisetopsida (land plants)
- Family
- Orchidaceae
- Scientific name
- Pterostylis woollsii Fitzg.
- Common name
- long-tailed greenhood
- WildNet taxon ID
- 8557
- Nature Conservation Act 1992 (NCA) status
- SL
- Conservation significant
- Yes
- Confidential
- Yes
- Endemicity
- Native
- Pest status
- Nil
- Description
- Pterostylis woollsii is a terrestrial herb with 6 to 10 rosette forming leaves that are broadly ovate to lanceolate, 1.5 to 3.5 cm long by 8 to 14 mm wide; the margins are entire. The scape to 45 cm high, with 2 to 5 closely sheathing stem leaves. The inflorescence consists of 1 to 6 flowers each about 3.5 cm long, transparent with green and reddish tonings, semi-erect to erect. The dorsal sepal with an upcurved filiform point about 1.5 cm long. The lateral sepals are broad-ovate in outline when flattened; the joined part is deeply concave with the margins strongly incurved, ciliate; free points long-filiform, 100 to 130 mm long, deflexed, parallel, about 15 mm apart at the tips. The petals with a poorly developed proximal flange. The labellum is elliptic to obovate, 12 to 15 mm long by 3 to 4 mm wide, reddish brown, thin textured, with the apex beaked; marginal trichomes 8 to 10 pairs, about 3 mm long; basal lobe extended backwards, about 3 mm long, with a single erect pair of trichomes about 6 mm long at the base and another pair about 2 mm long at the apex (Jones, in Harden, 1993).
- Habitat
- Pterostylis woollsii grows in eucalypt woodlands and open forests, with Callitris or Allocasuarina on sandy soils or among rocks on ridges and slopes (Jones, D.L. in Harden).
- Reproduction
- Pterostylis woollsii flowers October to December. (Queensland Herbarium 2011).
- Status notes
- Pterostylis woollsii is listed as Near Threatened under the Queensland Nature Conservation Act 1992.
- Notes
- Occurs in the following Queensland pastoral district: Darling Downs. Also occurs in NSW and Victoria. Oligochaetochilus woollsii is a synonym.
- References
- Jones, D.L. (2010). A new species of Oligochaetochilus (Orchidaceae) from Queensland with affinities to O. woollsii. The Orchadian 16 (8): 370-372.
Jones, D.L. in Harden, G.J. (Ed) (1993). Flora of New South Wales 4: 185-186.
Jones, D.L. in Stanley, T.D. and Ross, E.M. (1989). Flora of South-eastern Queensland 3: 406.
Queensland Herbarium (2012). Specimen label information. Queensland Herbarium. Accessed 21/02/2012. - Profile author
- Ronald Booth (25/06/2012)
Other resources
Data source
This profile data is sourced from the QLD Wildlife Data API using the Get species by ID function used under CC-By 4.0.
https://apps.des.qld.gov.au/species/?op=getspeciesbyid&taxonid=8557.
This information is sourced from the WildNet database managed by the Queensland Department of Environment and Science.
