Caladenia grampiana

Flowering plant 15–26 cm tall. Leaf 5–10 cm long, 5–8 mm wide, reddish at base. Flowers 1 or 2, fragrance resembling hot metal or plastic; perianth segments 3.2–5.5 cm long, pale tawny yellow or pinkish, sometimes suffused with light brown; lateral sepals and petals drooping; sepals flattened at base, 2.5–4 mm wide, distal half to two-thirds with ellipsoid cells in chains of 2–3; petals shorter than sepals but otherwise similar. Labellum curved forward with apex recurved and lateral lobes erect, lamina ovate-lanceolate, obscurely 3-lobed, 13–17 mm long and 7–9 mm wide (when flattened), cream to red, often with darker reddish lines; margins of lateral lobes fringed with reddish linear calli mostly 1–2 mm long, margins of mid-lobe with shorter calli becoming asymmetric and merging near tip; lamina calli in 4 or 6 rows, extending neasrly to base of mid-lobe, narrow, linear to foot-shaped, c. 1.5 mm long at base of lamina, decreasing in size towards apex. Flowers Aug.–Sep.