Common name: Antelope Greenhood
Pterostylis laxa Blackmore APNI* Synonyms: Diplodium laxum (Blackmore) D.L.Jones & M.A.Clem. APNI*
Description: Terrestrial herb.
Rosette leaves 3–5, ovate, 1.5–2.5 cm long, 10–16 mm wide, margins entire; petiolate.
Scape to 40 cm high, with 3–5 stem leaves. 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 18 mm long. Petal margins slightly flared. Lateral sepals tightly embracing the galea; sinus flat, notched in the middle, protruding in a shallow curve when viewed from the side; free points c. 35 mm long, filiform, usually recurved or lax. Labellum ovate to lanceolate, 10–15 mm long, 2.5–3 mm wide, dark red-brown, obtuse, the distal third protruding prominently from the sinus in the set position.
Flowering: January–June.
Distribution and occurrence: Grows among grass on slopes in sclerophyll forest of the ranges and tablelands; south from the New England Tablelands.
NSW subdivisions: NC, CC, NT, CT, ST, CWS
Other Australian states: Vic.
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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