Genoplesium rhyoliticum D.L.Jones APNI*
Synonyms: Corunastylis rhyolitica (D.L.Jones) D.L.Jones & M.A.Clem. APNI*
Description: Terrestrial herb 10–18 cm high.
Inflorescence dense, 2–4 cm long, 5–20-flowered.
Flowers c. 4 mm across, semi-erect, dark purplish black. Dorsal sepal narrow-ovate, c. 4.5 mm long, c. 2 mm wide, striped, margins entire. Lateral sepals linear to lanceolate, c. 5 mm long, c. 1 mm wide, not gibbous at the base, parallel or slightly divergent. Petals narrow-ovate, c. 4 mm long, c. 1 mm wide, striped, margins entire. Labellum obovate, c. 3.5 mm long, c. 1.7 mm wide, margins with numerous, coarse, spreading cilia to 0.5 mm long; callus narrow-triangular, extending to the labellum apex.
Distribution and occurrence: Grows under shrubs; rare and known only from a rhyolite outcrop near Pambula.
NSW subdivisions: SC
Threatened species: NSW BCA: Endangered; Commonwealth EPBC: Endangered
Text by D. L. Jones
Taxon concept: Flora of NSW 4 (1993)
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