Thelymitra ×macmillanii F.Muell.

Crimson Sun-orchid

Fragm. 5: 93 (1865) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: vulnerable (v)

Flowering stem erect, straight or flexuose at leaf and bract insertions, 10–30 cm tall, 1–2 mm diam., grey-green to green. Leaf linear, attenuate, 5–21 cm long, 2–5 mm wide, shallowly channelled or folded, often reaching inflorescence, green. Inflorescence 1–5-flowered. Sterile bracts 1 or 2. Perianth segments ovate to lanceolate, 12–20 mm long, variable in colour, mostly salmon-red, occasionally pink, red or purple, edged with or wholly yellow. Column ovoid, 4–6 mm long, bright red or sometimes yellow; mid-lobe hardly developed, small and warty; lateral lobes variable, oblique to nearly erect, oblong to quadrangular, 2–3 mm long, c. 1 mm wide, irregularly scalloped to intensely and minutely rugose, or warty all over to more or less on margins only. Anther with long, oblong apex covered above with short, yellow, velvety papillae, protruding between or below lateral lobes of column. Flowers Aug.–Sep.

CVU, DunT, GipP, Gold, GGr, LoM, NIS, VRiv, VVP, Wim. Also SA. Occurs sporadically in grassland, woodland and open forests, where the parent species grow together.

A prersumed hybrid between Thelymitra antennifera and either T. carnea, T, rubra or members of the T. nuda/T. pauciflora complex.

Flowers open freely and are long-lasting.

Source: Weber, J.Z.; Entwisle, T.J. (1994). Thelymitra. 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, 2014-09-17
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Thelymitra
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Thelymitra ×macmillanii in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Thelymitra ×macmillanii in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Wimmera present native
Victorian Volcanic Plain present native
Victorian Riverina present native
Gippsland Plain present native
Goldfields present native
Central Victorian Uplands present native
Greater Grampians present native
Dundas Tablelands present native
Northern Inland Slopes present native