Australian Native Plants

  Caladenia crebra (Arrowsmith Spider Orchid)

Caladenia crebra photo
Arrowsmith Spider Orchid (Caladenia crebra) Enneaba western Australia

Photograph by Terence Doust. Some rights reserved.    (view image details)


distribution map showing range of Caladenia crebra in Australia

Map is from The Atlas of Living Australia web site, licensed under Creative Commons Attribution 3.0 Australia License

Common Name
Arrowsmith Spider Orchid

The Arrowsmith Spider Orchid is a perennial terrestrial orchid native to Western Australia. The plant flowers is spring from August to September. It has bright yellowish green sepals and petals. The third petal or labellum is maroon red in the centre and green at either side with prominent marginal teeth. The inside of the flower is white with pinkish red spots and blotches. The plant grows from a tuber and has a single narrow grass like leaf from the base. The flower stem grows to about 50 cm in height.

grows on sandy or loamy soil on heathland, woodland, forest and sandplains. The plant has a single leaf growing from the base

Caladenia crebra is found in western parts of Western Australia south of Geraldton.

Growth Characteristics
Height: 20cm - 50cm
Common Name:Arrowsmith Spider Orchid

Relatives in same Genus
  Caladenia ampla
  Caladenia arenicola
  Caladenia carnea
  Caladenia catenata
  Caladenia clavigera
  Caladenia cruciformis
  Caladenia flava
  Caladenia fulva
  Caladenia fuscata
  Caladenia gracilis
  Caladenia integra
  Caladenia latifolia
  Caladenia leptochila
  Caladenia longicauda
  Caladenia moschata
  Caladenia paludosa
  Caladenia roei
  Caladenia tentaculata
  Caladenia ustulata
  Caladenia venusta
  Caladenia versicolor
  see A-Z list for more ...