Pterostylis boormanii Rupp

Sikh's Whiskers

Orchid. New South Wales 98 (1943) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Flowering plant to 20 cm tall, stem leaves 2–5, closely sheathing. Rosette leaves 8–14, elliptic to oblong, 2–3 cm long, 6–10 mm wide, margins shortly ciliate. Flowers 2–7, nodding, 2.7–3 cm long, dark reddish-brown with transparent areas in the petals and galea; dorsal sepal with an upcurved filiform point 8–10 mm long; lateral sepals deflexed, conjoined part broadly ovate in outline when flattened, deeply concave, margins slightly incurved, densely ciliate, free points filamentous, 10–15 mm long, curved forwards, widely divergent 1.5–2 cm apart at the tips; petals with a poorly developed proximal flange. Labellum ovate-oblong, 5–5.5 mm long, c. 2 mm wide, brown, thick; marginal hairs in 5–8 pairs, 1–3.5 mm long, white, spreading; basal lobe erect, with numerous hairs c. 0.5 mm long. Flowers Oct.–Nov.

CVU, Gold, LoM, NIS. Also SA, Qld, NSW. Scattered across drier inland parts of Victoria in Box/Ironbark forests and mallee scrub on well-drained gravelly soils.

Forms sporadic hybrids with Pterostylis setifera.

An undescribed taxon from the Beechworth area has porrect flowers (nodding in P. boormanii), less concave lateral sepal bases and a different shaped labellum (see Pterostylis sp. aff. boormanii (Beechworth).

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 boormanii in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Pterostylis boormanii in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Goldfields present native
Central Victorian Uplands present native
Northern Inland Slopes present native