Pterostylis mutica R.Br.

Midget Greenhood

Prodr. 328 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Flowering plant to 35 cm tall, stem leaves 5–10, closely sheathing. Rosette leaves 6–12, ovate to oblong, 1–3 cm long, 0.5–1.5 cm wide, shortly petiolate to nearly sessile, margins entire. Flowers 2–20, uncrowded, pale green to yellowish-green, 8–10 mm long; galea curved throughout, suddenly decurved near the apex; dorsal sepal acute; lateral sepals deflexed, conjoined part broadly ovate in outline when flattened, 6–7 mm long, 7–7.5 mm wide, margins incurved, concave, united nearly to the apex, free points broadly triangular, c. 2 mm long, parallel; petals asymmetrical, broadest towards the base. Labellum pale green with a dark green basal appendage; lamina ovate-oblong, c. 3 mm long, c. 2.2 mm wide; appendage c. 1.5 mm long, recurved. Flowers Aug.–Nov.

CVU, EGL, EGU, Gold, HNF, HSF, LoM, MonT, MuM, NIS, VAlp, VRiv, VVP, WaP, Wim. Also WA, SA, Qld, NSW, ACT, Tas. Widespread from near the coast to well inland in a range of habitats including open forest, woodland, grassland and mallee scrub, on well-drained soils.

Pterostylis conferta is a less robust species with a more crowded inflorescence and is confined to basalt plains grasslands.

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, 2015-06-04
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 mutica in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis mutica in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Warrnambool Plain present native
Goldfields present native
Central Victorian Uplands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Monaro Tablelands present native
Victorian Alps present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales
Australian Capital Territory