Common name: Fisch's Greenhood
Pterostylis fischiorum Nicholls APNI* Synonyms: Diplodium fischii (Nicholls) D.L.Jones & M.A.Clem. APNI*
Description: Terrestrial herb.
Rosette leaves 3–6, ovate, 1–2 cm long, 6–15 mm wide, margins entire; petiolate.
Scape to 25 cm high, with 3–5 closely sheathing stem leaves. Flower c. 2.5 cm long, erect, green, white and rusty brown, dark red-brown towards apex of galea. Dorsal sepal with a decurved filiform point c. 5–8 mm long. Petal margins not flared. Lateral sepals tightly embracing the galea; sinus broadly V-shaped, protruding in a prominent curve when viewed from the side; free points to 25 mm long, filiform, erect. Labellum oblong-elliptic, 8–10 mm long, c. 3 mm wide, apex blackish, obtuse to truncate or slightly notched, not visible from the sinus in the set position.
Flowering: February–May.
Distribution and occurrence: Grows among grass and low shrubs, mainly in the highlands south from New England N.P.
NSW subdivisions: ?NC, NT, CT, ST
Other Australian states: Qld Vic.
Nicholls dedicated this species to 'its finders, the Fisch family of Doncaster, Victoria....'. The correct termination of the species epithet is therefore the plural of the possessive form, which is -orum, rather than the singular, which is -i as was used by Nicholls himself.
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
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