Pterostylis laxa Blackmore

Antelope Greenhood

Orchadian 3: 2, figs A-G (1968) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Flowering plant to 40 cm tall, stem leaves 3–5. Rosette leaves 3–5, ovate, 1.2–2.5 cm long, 0.8–1.6 cm wide, petiolate, margins entire. Flower 2–2.5 cm long, partially nodding, green and white with dark green or brown suffusions in the galea; dorsal sepal with a filiform point to 8–18 mm long; petal margins slightly flared; lateral sepals erect, tightly embracing the galea, sinus flat, notched in the middle, protruding in a shallow curve when viewed from the side, free points 3–3.5 cm long, filiform, spreading, usually recurved or lax. Labellum ovate-lanceolate, obtuse, 10–13 mm long, 2.5–4 mm wide, dark red-brown, the distal quarter to third protruding prominently from the sinus in the set position Flowers Jan.–Apr.

EGU, HNF, MonT, NIS, SnM. Also NSW, ACT. Restricted to montane forests of north-eastern Victoria, growing among grass on slopes in open-forest, on well-drained soils.

Known to hybridise with P. fischii where the two species grow together.

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, 2015-06-16
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 laxa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis laxa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Northern Inland Slopes present native
East Gippsland Uplands present native
Highlands-Northern Fall present native
Monaro Tablelands present native
Snowy Mountains present native

State distribution

Distribution map
New South Wales
Australian Capital Territory