Eriochilus dilatatus subsp. magnus explained

Eriochilus dilatatus subsp. magnus, commonly known as the Easter bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single large, smooth, flattened leaf and up to twenty five dull green, red and white flowers. It is found in high rainfall areas between Perth and Albany.

Description

Eriochilus dilatatus subsp. magnus is a terrestrial, perennial, deciduous, herb with an underground tuber and a single smooth, flattened, broad egg-shaped leaf, NaNsigfig=1NaNsigfig=1 long and NaNsigfig=1NaNsigfig=1 wide with flat edges. Up to twenty five flowers NaNsigfig=1NaNsigfig=1 long and NaNsigfig=1NaNsigfig=1 wide are borne on a flowering stem NaNsigfig=1NaNsigfig=1 tall. The flowers are dull green with red markings, except for the lateral sepals which are white. The labellum has three lobes, scattered clusters of red and white hairs and is prominently curved downwards. Flowering occurs from April to May.[1] [2] [3] [4]

Taxonomy and naming

Eriochilus dilatatus subsp. magnus was first formally described in 2006 by Stephen Hopper and Andrew Brown from a specimen collected in the Warren National Park and the description was published in Nuytsia.[5] The specific epithet (magnus) is a Latin word meaning "large", referring to the large leaf and tall habit of this subspecies.

Distribution and habitat

The Easter bunny orchid grows in high rainfall forest and is locally common between Perth and Porongurup National Park in the Jarrah Forest, Swan Coastal Plain and Warren biogeographic regions.

Conservation

Eriochilus dilatatus subsp. magnus is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.

Notes and References

  1. Book: Jones. David L.. A complete guide to native orchids of Australia including the island territories. 2006. New Holland. Frenchs Forest, N.S.W.. 1877069124. 276.
  2. Hopper . Stephen . Brown . Andrew Phillip . New and reinstated taxa in Eriochilus . Nuytsia . 2006 . 16 . 1 . 40 . 23 June 2018.
  3. Book: Brown. Andrew. Dundas. Pat. Dixon. Kingsley. Hopper. Stephen. Orchids of Western Australia. 2008. University of Western Australia Press. Crawley, Western Australia. 9780980296457. 257.
  4. Book: Hoffman. Noel. Brown. Andrew. Orchids of South-West Australia.. 2011. Noel Hoffman. Gooseberry Hill. 9780646562322. 225. 3rd.
  5. Web site: Eriochilus dilatatus subsp. magnus. APNI. 14 July 2018.