Pterostylis pusilla R.S.Rogers

Trans. & Proc. Roy. Soc. South Australia 42: 26 (1918) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Flowering plant to 25 cm tall, stem leaves 2–4, closely sheathing. Rosette leaves 3–8, 1–3 cm long, 5–10 mm wide, narrowly elliptic to obovate, margins entire. Flowers 1–9, porrect to semi-nodding, c. 1 cm long, transparent with green and red markings and suffusions; dorsal sepal with a decurved filiform point 1.5–3 mm long; lateral sepals much narrower than the galea, deflexed, conjoined part ovate in outline when flattened, shallowly concave, margins folded inwards and nearly touching beneath the labellum, free points narrowly triangular, 3–5 mm long, slightly divergent, curved forward, 2–3 mm apart at the tips; petals with a well-developed proximal flange which nearly blocks off the base of the galea. Labellum oblong, 3–4 mm long, c. 1.5 mm wide, dark reddish-brown, moderately thick; marginal hairs 4–6 pairs, 0.5–1.5 mm long; basal lobe sloped backwards, with numerous hairs c. 0.2 mm long. Flowers Sep.–Nov.

EGU, Gold, HSF, LoM, MuM, NIS, VRiv, Wim. Also SA. Widespread across northern Victoria usually among litter in sparse open-forest or mallee scrub on shallow stony or gravelly soils.

Distinguished by the strongly incurved margins of the lateral sepals, making them much narrower than the galea.

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 pusilla in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis pusilla in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Victorian Riverina present native
Goldfields present native
Northern Inland Slopes present native
East Gippsland Uplands present native
Highlands-Southern Fall present native

State distribution

Distribution map
State
South Australia
New South Wales
Victoria