Prasophyllum gracile, commonly known as the little laughing leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is one of the most common and widespread orchids in the south-west and has a single smooth, tube-shaped leaf and up to forty or more, usually yellowish-green flowers.
Prasophyllum australe, commonly known as the southern leek orchid or austral leek orchid, is a species of orchid and is endemic to south-eastern Australia. It has a single tubular, green leaf and up to fifty scented, greenish-brown flowers with red stripes.
Prasophyllum petilum, commonly known as the Tarengo leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, green leaf and up to eighteen pinkish mauve to greenish flowers, well-spaced along a slender flowering stem. It is a small orchid, difficult to locate, generally growing in taller grasses.
Prasophyllum flavum, commonly known as the yellow leek orchid, is a species of orchid endemic to eastern Australia. It has a single tubular, green leaf with only a short free section and up to fifty scented, yellowish-green flowers.
Prasophyllum brownii, commonly known as the Christmas leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is one of the last of the genus in Western Australia to flower and has a tall flowering stem with up to eighty pale green and fawn-coloured flowers.
Prasophyllum calcicola, commonly known as the limestone leek orchid, is a species of orchid endemic to Australia. It has a single, smooth, tube-shaped leaf and up to twelve yellowish-green flowers on an erect flowering stem. It is found in coastal areas of Western Australia and South Australia growing on soils derived from limestone.
Prasophyllum cucullatum, commonly known as the hooded leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a tall orchid with a single smooth, tubular leaf and up to fifty or more purplish-red and white flowers with a frilled labellum crowded along a relatively short flowering stem.
Prasophyllum cyphochilum, commonly known as the pouched leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a relatively common orchid with a single smooth, tubular leaf and up to thirty or more pale yellow and brown flowers. The flowers do not open fully, are more or less cup-shaped and have a "humped" labellum.
Prasophyllum erythrocommum, commonly known as the tan leek orchid, is a species of orchid endemic to Victoria. It has a single tubular green leaf and up to thirty small, greenish-brown to dark brown flowers. It is a very rare orchid, only known from a single small area north of Melbourne.
Prasophyllum gibbosum, commonly known as the humped leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a late-flowering leek orchid with a single smooth, tubular leaf and up to eighty or more purplish-red and white flowers with a smooth labellum. It is similar to P. cucullatum but that species has a frilly labellum, usually a shorter flowering stem and an earlier flowering period.
Prasophyllum giganteum, commonly known as the bronze leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a tall, fragrant leek orchid with a single smooth, tubular leaf and up to fifty or more green and pinkish-purple flowers with a frilly labellum.
Prasophyllum hians, commonly known as the yawning leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a common, tall leek orchid with a single smooth, tubular leaf and up to fifty or more pink and fawn flowers with a frilly labellum.
Prasophyllum macrostachyum, commonly known as the laughing leek orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single smooth, tube-shaped leaf and up to thirty yellowish-green and purple flowers. It is one of the few Western Australian leek orchids which is not stimulated by summer fires and also has an unusually long flowering period.
Prasophyllum parvifolium, commonly known as the autumn leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a common species in its range and has a single smooth, tube-shaped leaf and up to eighteen or more green and white flowers with red stripes.
Prasophyllum odoratissimum, commonly known as the scented leek orchid or fragrant leek orchid, is a species of orchid endemic to Western Australia. It has a single smooth, tubular leaf and up to thirty or more scented, greenish, white and fawn-coloured flowers with a labellum which is often bent backwards. It was formerly included in Prasophyllum odoratum.
Prasophyllum ovale, commonly known as the little leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a small leek orchid with a single smooth, tubular leaf and up to twenty or more white, green and brown flowers with the labellum only slightly upturned.
Prasophyllum paulinae, commonly known as Pauline's leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a small, rare leek orchid with a single smooth, tubular leaf and up to seventy yellowish-green and purple flowers.
Prasophyllum plumiforme, commonly known as the dainty leek orchid, is a species of orchid endemic to the south-west of Western Australia. It is a small leek orchid with a single smooth, tubular leaf and up to fifty or more tiny cream-coloured or greenish-yellow flowers on a tall flowering stem.
Prasophyllum regium, commonly known as the king leek orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single, unusually thick tubular leaf and up to one hundred relatively large, greenish-brown or burgundy-coloured flowers. It is one of the tallest leek orchids, sometimes growing to a height of 2 m (7 ft).
