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
The Australasian Virtual Herbarium (AVH) Atlas of Living AustraliaData source
This profile data is sourced from the QLD Wildlife Data API using the Get species by ID function used under CC-By 4.0https://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.