Pterostylis petrosa D.L.Jones & M.A.Clem. APNI*
Synonyms: Oligochaetochilus petrosus (D.L.Jones & M.A.Clem.) D.L.Jones & M.A.Clem. APNI*
Description: This recently described species is similar to P. biseta. It differs in having 6–10 rosette leaves, 1.5–2.5 cm long and 6–9 mm wide; the scape is 9–15 cm high, and 1–8-flowered; lateral sepals with free points 14–20 mm long; labellum with 9–12 pairs of marginal trichomes.
Flowering: Sep. – November
Distribution and occurrence:
Grows in sparse sclerophyll forest, in crevices and on ledges on rock outcrops; confined to the Riverina district.
NSW subdivisions: SWS
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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