Eriochilus, commonly known as bunny orchids, is a genus of flowering plants in the orchid family, Orchidaceae that is endemic to Australia. Orchids in this genus are distinguished from those in the similar Caladenia by having a glabrous leaf and a densely woolly labellum. Species occur in south-west Western Australia, South Australia, Queensland, New South Wales, the Australian Capital Territory, Victoria, and Tasmania. Their common name alludes to their prominent ear-like lateral sepals.
Caladenia bicalliata subsp. bicalliata, commonly known as the limestone spider orchid or dwarf limestone spider orchid, is a plant in the orchid family Orchidaceae and is native to the south-west of Western Australia and coastal areas of South Australia. It has a single erect, hairy leaf and one or two cream-coloured flowers with reddish-brown tips.
Caladenia exilis subsp. exilis, commonly known as the salt lake spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a relatively common spider orchid with a single erect, hairy leaf and up to three white to greenish-cream flowers with a small white, red-striped labellum.
Caladenia hirta subsp. rosea, commonly known as the pink candy orchid or candy orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a widespread and common orchid which has a single leaf, up to three pale pink to deep pink flowers and often grows in clumps.
Caladenia pendens subsp. talbotii, commonly known as Talbot's spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and one or two white, red and yellow flowers with long drooping petals and sepals and sometimes has a citrus-like scent.
Caladenia pholcoidea subsp. pholcoidea, commonly known as the Albany spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to four pale yellow flowers with long drooping petals and lateral sepals.
Caladenia pholcoidea subsp. augustensis, commonly known as the Augustus spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It is a rare orchid with a single hairy leaf and up to three mostly white flowers with long spreading petals and lateral sepals.
Caladenia remota subsp. parva, commonly known as the Perenjori spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three creamy-white to pale yellow flowers. It has a more restricted and more westerly distribution than subspecies remota.
Caladenia uliginosa subsp. uliginosa, commonly known as the dainty spider orchid, or darting spider orchid is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to four greenish-cream flowers which have a forward-projecting labellum with a dark red tip.
Caladenia uliginosa subsp. patulens, commonly known as the frail spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single hairy leaf and up to three greenish-cream flowers which have a forward-projecting, white labellum.
Eriochilus helonomos, commonly known as the swamp bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single pointed leaf and usually a single white or cream-coloured flower with reddish brown markings. A relatively common species, it usually grows in swampy places. It is distinguished from other bunny orchids by the arrangement of its petals.
Eriochilus dilatatus subsp. dilatatus, commonly known as the white bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single narrow leaf and up to seven greenish and white flowers with reddish or mauve markings. A widespread and common species, it grows in a range of habitats and flowers prolifically after fire.
Eriochilus dilatatus subsp. brevifolius, commonly known as the blunt-leaved bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single small, smooth leaf with wavy edges and a pale red lower surface, and up to three greenish and white flowers with red or mauve markings. It is distinguished from the other subspecies by the colour of the lower surface of its leaf and by its later flowering period.
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.
Eriochilus dilatatus subsp. multiflorus, commonly known as the common bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single short, smooth, flattened, egg-shaped leaf and up to twenty dull green, red and white flowers which are often closely packed. It grows in forest and woodland between Perth and Albany.
Eriochilus dilatatus subsp. orientalis, commonly known as the eastern bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single short, smooth, flattened, egg-shaped leaf and up to seven dull green, red and white flowers on a fleshy flowering stem. It only occurs on the coast near Caiguna.
Eriochilus dilatatus subsp. undulatus, commonly known as the crinkle-leaved bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a common orchid in the wheatbelt and has single narrow egg-shaped leaf with wavy edges and a maroon underside. Up to three dull green, red and white flowers are borne on a wiry flowering stem.
Eriochilus pulchellus, commonly known as the granite bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single egg-shaped leaf and up to ten small white flowers with red markings. A relatively common species, it grows in shallow soil on granite outcrops. Its fleshy leaf is held above the ground on a thin stalk.
Eriochilus scaber is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single leaf and up to three small red, pink and white flowers. Two subspecies are recognised based on the shape of the leaf and its height above the ground.
Eriochilus valens, commonly known as the red-lipped bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It has a single egg-shaped leaf held above the ground and up to four small pink or white and pink flowers. It grows near winter-west swamps and usually only flowers after fire the previous summer.
