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 drakeoides, commonly known as the hinged dragon orchid is a species of orchid endemic to the south-west of Western Australia. It has a single hairy leaf and a single greenish-yellow and red flower with a hinged labellum resembling a female thynnid wasp.
Caladenia excelsa, commonly known as the giant spider orchid, is a species of orchid endemic to a small area in the south-west of Western Australia. It is a rare species with a single, hairy leaf and up to three cream-coloured to greenish-cream flowers with long, drooping sepals and petals. It is one of the tallest spider orchids in Western Australia and, with Caladenia splendens, has the largest flowers of any Western Australian orchid.
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 longicauda subsp. eminens, commonly known as the stark white 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 large, bright white flowers with long, broad, spreading lateral sepals and petals, a relatively broad labellum with short, narrow teeth. It is a relatively common orchid found in a broad band, mainly between Tenterden and Jerramungup.
Caladenia applanata subsp. applanata, commonly known as the broad-lipped spider orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid with a single erect, hairy leaf and up to three flowers which may be red, cream, green or yellow and have a broad, flattened, red-tipped labellum.
Caladenia longicauda subsp. merrittii, commonly known as Merritt's white 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 large, mainly white flowers with very long, drooping lateral sepals and petals, and a white broad labellum with relatively short labellum teeth. It is one of the largest spider orchids.
Caladenia longicauda subsp. rigidula, commonly known as the rigid white spider orchid or island white 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 large, mainly white flowers with relatively short lateral sepals and petals. It is similar to the reclining white spider orchid but that species has smaller, cream-coloured flowers.
Caladenia longicauda subsp. extrema, commonly known as the late white spider orchid or Seaton Ross 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 mainly white flowers with long, mostly spreading lateral sepals and petals. It is a relatively rare orchid which is similar to the tangled white spider orchid but has larger flowers and a later flowering period.
Caladenia reptans subsp. impensa, commonly known as the pale pink fairy, 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 pale pink flowers which have a labellum with three distinct lobes. It is similar to subspecies reptans except that its leaf is green on both sides and the flowers are larger and on a taller flowering spike.
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, commonly known as the white bunny orchid, is a plant in the orchid family Orchidaceae and is endemic to Western Australia. It is a common and widespread, slender ground orchid with a single leaf and up to fifteen small white and greenish flowers with reddish or brownish markings and a hairy labellum.
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.
