Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Orchidaceae
Prasophyllum goldsackii

Citation: J. Weber & Bates, J. Adelaide Bot. Gard. 1:167, fig. (1978).

Synonymy: Not Applicable

Common name: None

Plants slender, 10-30 cm high, tuber globose, stem erect, more or less fleshy, basally invested in a dense fibrous sheath; leaf exceeding the raceme, narrow, 1-2 mm wide, green, sheathing above the middle of the stem.

Raceme loose, 5-12-flowered, flowers shortly stalked, cleistogamous, subtended by ovate acute bracts c. 2 mm long and wide, spreading; perianth dark-brown; parchment-like, ovary green, short, turgid, 4-7 x 2-3 mm; dorsal sepal ovate, acute, hooded, 3-4 x c. 2.5 mm, decurved apically, green, brown towards the apex; lateral sepals eventually free, 4-5 x c. 1.5 mm, falcate, incurved, green with a brown central stripe and apex; petals triangular, acute, c. 3 x c. 1.5 mm, green and purple toward the apex, sometimes completely hidden by the sepals; labellum triangular, subacute, c. 4 x 1.5-2 mm, widest at the base, recurved and keeled distally with an inflexed apex, green with pale-prune-coloured edges and apex, callus plate green, brownish or purple, concave at the base, increasingly thickened and convex distally, terminating as 2 prominent ridges in the bend of the labellum, margins entire, slightly undulate; column short, erect, c. 1.7 x c. 1.5 mm, appendages erect, lanceolate, with obtuse tips, shorter than the rostellum, basally adnate to a stigmatic plate; stigma obcordate; anther triangular, c. 1.2 mm long; pollinia 2, granular, friable, easily removed; caudicle short.

Distribution:  Locally common. Seed is produced by apomixis.

S.Aust.: EP, YP.

Conservation status: native

Flowering time: Sept. — Oct.

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available

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