Pterostylis robusta R.S.Rogers

Larger Striped-greenhood

Trans. & Proc. Roy. Soc. South Australia 51: 296 (1927) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Flowering plant to 20 cm tall, stem leaves 3–7, spreading. Rosette leaves 4–10, ovate, 0.7–2.2 cm long, 0.5–1.6 cm wide, petiolate, margins flat or finely crisped. Flower 3–3.5 cm long, erect, green and white with red-brown to brown suffusions and stripes; dorsal sepal with a filiform point 2–4 mm long; lateral sepals erect, tightly embracing the galea, sinus flat with a shallow central v-notch, protruding in a shallow curve when viewed from the side, free points to 2–3 cm long, filiform, erect, often curved forwards at the apex; petal margins not flared. Labellum oblong-lanceolate, suddenly tapered in the distal third, 12–15 mm long, 3–4 mm wide, dark reddish brown, the tip just visible from the sinus in the set position. Flowers Apr.–Aug.

CVU, Gold, GGr, HNF, LoM, MuM, VRiv, VVP, Wim. Also NSW, SA. Found mostly in north-western Victoria in drier open forest, woodland and mallee scrub, often on ridges and sheltered slopes, on well-drained soils.

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

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Pterostylis robusta in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis robusta 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
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Highlands-Northern Fall present native

State distribution

Distribution map
State
Western Australia
South Australia
New South Wales
Victoria