Colin Mills, compiler of the Hortus Camdenensis, died in late November 2012 after a short illness. As he always considered the Hortus his legacy, it is his family's intention to keep the site running in perpetuity. It will not, however, be updated in the near future.

Caladenia arenaria Fitzg.

Spider orchid, grows in well drained sandy areas, the leaves to 15cm and flower spikes to 30cm, the flowers large, cream, whitish or pale yellow, sometimes with red markings.  [Jones, FNSW].

Horticultural & Botanical History

No additional data.

History at Camden Park

Listed in the 1850 and 1857 catalogues as Orchid no.7 [O.53/1850] and Orchid no.11 [O.54/1850].  Collected at Nangus in southern NSW, a Macarthur family grazing property.


See notes at ‘Orchid species unidentified no.3’.

Published Jan 26, 2010 - 05:12 PM | Last updated Jul 28, 2010 - 03:45 PM

Family Orchidaceae
Region of origin

Southern NSW, primarily west of the Dividing Range

  • Arachnorchis arenaria (Fitzg.) D.L.Jones & M.A.Clem.
Common Name

Sandhill spider orchid

Name in the Camden Park Record

Orchid no.7

Orchid no.11 

Confidence level high