Prasophyllum appendiculatum Nicholls

Tailed Leek-orchid

Victorian Naturalist 66: 212, figs F-I (1950) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Flowering stem slender, 10–35 cm tall. Leaf-blade slender, suberect, green with purple base, to c. 20 cm long, 5.5 mm diam. at base. Flowers banded red-brown and yellow-green, 5–20 in a loose to moderately dense raceme to 10 cm long; ovary pyriforme, to 5 mm long; pedicel to 1 mm long, inclined to rachis at c. 30 deg.; sepals 7–9 mm long, lanceolate, lateral sepals free, broad at base and tapering to an acuminate tip, margins rather flat; petals to 8 mm long, similar to sepals. Labellum to 6–8 mm long, clawed, reflexed at c. 90 deg. past the middle; lamina red-brown with paler edges; base like an upturned bowl with entire, flat margins, abruptly narrowed beyond bend, often tail-like, acute with entire margin; callus plate reddish, apex thickened, channelled, extending just past the labellum bend. Column appendages reddish, 2–2.5 mm long, obtuse. Flowers Oct.–Nov.

EGL, EGU. Also NSW. Apparently confined to far East Gippsland where uncommon in damp heath and heathy open forest on sandy soil.

Flowering is enhanced by fire.

Distinguishing features include the broad humped labellum base, its narrow, often tail-like apex, the two-toned flowers and the short callus plate.

Source: Bates, R.J. (1994). Prasophyllum. 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, 2015-03-24
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Prasophyllum
Higher taxa

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Prasophyllum appendiculatum in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Prasophyllum appendiculatum in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
East Gippsland Lowlands present native
East Gippsland Uplands present native