Pterostylis nana R.Br.

Dwarf Greenhood

Prodr. 327 (1810) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Flowering plant to 15 cm tall, stem very slender, smooth or slightly rough. Rosette leaves 3–8, ovate to cordate, 0.5–2 cm long, 0.4–1 cm wide, petiolate to nearly sessile, margins entire, flat or crinkled. Flower 10–15 mm long, erect, narrow, pale green and white; galea apex flat to obliquely erect; dorsal sepal shortly acuminate; lateral sepals erect, tightly embracing the galea, sinus flat with a dark green central area prominent from the front, the interior with a short ligulate dark green lobe, flat or shallowly mounded when viewed from the side, free points filiform to clavate, 10–15 mm long, erect; petals broad, subacute. Labellum ovate-oblong, 3.5–5 mm long, 1.5–2 mm wide, apex brown, obtuse, the tip not visible from the sinus in the set position. Flowers Jul.–Oct.

CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MuF, MuM, NIS, OtP, RobP, Strz, VRiv, VVP, WPro, Wim. Also SA, NSW, Tas. Grows in a wide range of habitats, from mallee scrubs to coastal heathland, particularly favouring sheltered sites in open-forest, on well-drained soils.

A complex of taxa at present under investigation.

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: Val Stajsic, 2018-02-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Pterostylis
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Pterostylis nana in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis nana in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Robinvale Plains present native
Murray Fans present native
Gippsland Plain present native
Otway Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Lowlands present native
East Gippsland Uplands present native
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Strzelecki Ranges present native

State distribution

Distribution map
State
Western Australia
South Australia
New South Wales
Australian Capital Territory
Victoria
Tasmania