Electronic Flora of South Australia
Electronic Flora of South Australia
Census of SA Plants, Algae & Fungi
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Electronic Flora of South Australia infraspecific Fact Sheet

Family: Orchidaceae
Prasophyllum patens var. patens

Citation: Ill. Gray (1971) Victorian native orchids 2:83; Cunningham et al. (1982) Plants of western New South Wales, p. 202 as P. odoratum; Hoffman & Brown (1984) Orchids of south-west Australia, p. 272 as P. odoratum; Woolcock (1984) Australian terrestrial orchids, pl. 42A as P. odoratum.

Synonymy: P. album R. Rogers, Trans. R. Soc. S. Aust. 33:211 (1909); P. odoratum R. Rogers, Trans. R. Soc. S. Aust. 33:309 (1909); P. odoratum R. Rogers var. album (R. Rogers) R. Rogers in J. Black, Fl. S. Aust. 126 (1922); P. rotundiflorum R. Rogers, Trans. R .Soc. S. Aust. 33:210 (1909).

Common name: None

Plant slender to robust, 15-60 cm sometimes 90 cm high.

Flowers greenish-brown or pink and white, often perfumed; dorsal sepal incurred in younger flowers, in mature flowers decurved; lateral sepals widely divergent; labellum conspicuously white, or bordered pink or light-prune, acutely reflexed about the middle, tip showing between the lateral sepals; erect part rather bulging, margins entire; reflexed part bluntly triangular with very crenulate margins; lamina with a large pyramidal green callus at its base; the callus plate not very thick in the erect part but more prominent towards its termination just beyond the bend; membranous portion very voluminous and exceeding the callus.

Distribution:  Occurs in small to quite extensive populations in most soil types in a wide variety of habitats from the littoral zone to rock outcrops far inland, from swampland to bare calcareous soils under mallee.

  All States except the N.T.   New Zealand.

Flowering time: Aug. — Jan.

Biology: A polymorphic variety which can show as much variation in a single population as plants from widely divergent habitats. Plants matching the description of P. truncatum Lindley have been collected in the EP, YP and SE. This form has short dense flower spikes, the labellum not greatly reflexed and the flowers fleshy.

Author: Not yet available

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