Pterostylis – Greenhoods, shell orchids, bird orchids, snail orchids & jug orchid.

Pterostylis aspera complex (Shell orchids)

Flowering – May to August

There are 7 Western Australian species

  • Rosette leaves are present on non-flowering plants only.
  • Flowering plants have stem leaves.
  • Plants are found in colonies.
  • Mostly winter flowering

Green-veined shell orchid (Pterostylis scabra)

Curled-tongue shell orchid (Pterostylis rogersii) 02/07/2017

Dwarf shell orchid (Pterostylis brevichila)


Pterostylis nana complex (Snail orchids)

Flowering – May to November

There are 34 recognised Western Australian species

  • Flowering and non-flowering plants have a rosette of leaves (Exception – Robust snail orchid).
  • Labellum is not visible (Exception – Shy greenhood).
  • Narrow, thickened or clubbed lateral sepals.
  • Flowers are generally much smaller than the similar Shell orchids.

Shy greenhood (Pterostylis allantoidea)

Robust snail orchid (Pterostylis dilatata)

Slender snail orchid (Pterostylis sp. ‘crinkled leaf’) 29/07/2015

Hairy-stemmed snail orchid (Pterostylis sp. ‘inland’) 04/07/2015

Eastern granite snail orchid (Pterostylis sp. ‘miniature’)

Skinny snail orchid (Pterostylis sp. ‘skinny’) 29/07/2015

Fawn snail orchid (Pterostylis parva)

Lort river snail orchid (Pterostylis sp. ‘south-coast clubbed sepals’) 02/07/2017


Pterostylis rufa complex (Rufous greenhoods)

Flowering – August to December

There are 23 Western Australian species

  • Rosette may be withered at time of flowering.
  • Narrow ended lateral sepals, joined at the base.
  • Mostly spring flowering.
  • Multi-flowered inflorescence.

Midget greenhood (Pterostylis mutica) 20/9/2017

Striped rufous greenhood (Pterostylis sp. ‘striped’)


Pterostylis vittata complex (Banded greenhoods)

Flowering – April to October

There are 9 Western Australian species

  • Flowering plants lack rosette of leaves.
  • Short, broad lateral sepals, joined at the base.
  • Green or brown, white banded flowers.
  • Multi-flowered inflorescence.

Dark banded greenhood (Pterostylis sanguinea) 25/07/2015

Frog greenhood (Pterostylis sargentii) 20/09/2017

Banded greenhood (Pterostylis vittata) 09/06/2018


Pterostylis barbata complex (Bird orchids)

Flowering – July to November

There are 14 Western Australian species

  • No flattened rosette of leaves.
  • Feather-like, irritable labellum.
  • Long narrow lateral sepals, joined at the base.
  • Numerous stem leaves.

Bird orchid (Pterostylis barbata)

Dwarf bird orchid (Pterostylis sp. ‘dwarf’) 20/09/2017


Pterostylis recurva

Flowering – August to October

This orchid does not fit into the other Pterostylis complexes

  • Narrow ended, prominently recurved lateral sepals.
  • Flowering plants lack a rosette of leaves.
  • Numerous stem leaves, with a small dark-coloured, almost circular leaf near the base

Jug orchid (Pterostylis recurva) 19/9/2017

 

 

Road Trip 2017 – Listing of Orchids found

Over our 20 day road trip we were lucky enough to find more than 44 different orchids. I have listed them below with almost all pictured and sorted firstly into their Genus then the first date found.

Pterostylis

Jug orchid (Pterostylis recurva) 01/09/2017

Midget greenhood (Pterostylis mutica) 01/09/2017

Banded greenhood (Pterostylis vittata) 01/09/2017

Frog greenhood (Pterostylis sargentii) 01/09/2017

Dark banded greenhood (Pterostylis sanguinea) 01/09/2017

Hairy stemmed snail orchid (Pterostylis sp. ‘inland’) 02/09/2017

Dwarf bird orchid (Pterostylis sp. ‘dwarf’) 20/09/2017

Cyanicula

Western tiny blue orchid (Cyanicula aperta) 01/09/2017

Dainty blue orchid (Cyanicula amplexans) 05/09/2017

Blue china orchid (Cyanicula gemmata) 18/09/2017

Pyrorchis

Red beaks (Pyrorchis nigricans) 01/09/2017

Ericksonella

Sugar orchid (Ericksonella saccharata)

Diuris

Western wheatbelt donkey orchid (Diuris brachyscapa) 01/09/2017

Mottled donkey orchid (Diuris suffusa) 03/09/2017

Yellow granite donkey orchid (Diuris hazeliae) 05/09/2017

Pale donkey orchid (Diuris sp. ‘mid-north’) 15/09/2017

Dainty donkey orchid (Diuris refracta) 16/09/2017

Common bee orchid (Diuris decrementa) 16/09/2017

Common donkey orchid (Diuris corymbosa) 17/09/2017

Prasophyllum

Little laughing leek orchid (Prasophyllum gracile) 01/09/2017

Caladenia

Cowslip orchid (Caladenia flava subsp. flava) 01/09/2017

Pink candy orchid (Caladenia hirta subsp. rosea) 01/09/2017

Common spider orchid (Caladenia vulgata) 01/09/2017

Chameleon spider orchid (Caladenia dimidia) 01/09/2017

Western wispy spider orchid (Caladenia microchila) 01/09/2017

Ballerina spider orchid (Caladenia melanema) 01/09/2017

Little pink fairy (Caladenia reptans subsp. reptans) 02/09/2017

Fringed mantis orchid (Caladenia falcata) 02/09/2017

Dancing spider orchid (Caladenia discoidea) 02/09/2017

Crimson spider orchid (Caladenia footeana) 02/09/2017

Chapman’s spider orchid (Caladenia chapmanii) 02/09/2017

Spectacular spider orchid (Caladenia x spectabilis) 02/09/2017

Ant orchid (Caladenia roei) 02/09/2017

Drooping spider orchid (Caladenia radialis) 03/09/2017

Blood spider orchid (Caladenia filifera) 03/09/2017

Pink fairies (Caladenia latifolia) 19/09/2017

Purple-veined spider orchid (Caladenia doutchiae) 19/09/2017

Pendant spider orchid (Caladenia pendens subsp. pendens) 19/09/2017

Red thread spider orchid (Caladenia erythronema) 20/09/2017

Pheladenia

Blue beard (Pheladenia deformis) 02/09/2017

Thelymitra

Lemon-scented sun orchid (Thelymitra antennifera) 02/09/2017

Granite sun orchid (Thelymitra petrophila) 9/9/2017

Elythanthera

Purple enamel orchid (Elythanthera brunonis) 15/9/2017

Spiculaea

Elbow orchid (Spiculaea ciliata) 19/09/2017

Caladenia – Spider orchids, dragon orchids, zebra orchids, candy orchids, fan orchids and fairy orchids.

A list of the orchids from the Caladenia Genus that I have been lucky enough to find.

Caladenia filamentosa complex (Wispy spider orchids) 

Flowering – Late June to early December

There are 43 Western Australian species

  • A single, usually narrow, hairy leaf with in-curved margins.
  • Up to 3 flowers.
  • Most species have long wispy petals and lateral sepals.
  • Labellum with short, serrate or dentate fringe segments  and two rows of calli.

Caladenia chapmanii (Chapman’s spider orchid) 02/09/2017

Caladenia dimidia (Chameleon spider orchid) 11/08/2017

Caladenia erythronema (Red thread spider orchid) 20/09/2017

Caladenia filifera (Blood spider orchid) 02/09/2017

Caladenia footeana (Crimson spider orchid) 02/09/2017

Caladenia microchila (Western wispy spider orchid) 16/07/2017

Caladenia pendens (Pendant spider orchid) 01/09/2017

Caladenia paradoxa ( Ironcaps spider orchid) 20/09/2017

Caladenia vulgata (Common spider orchid) 16/07/2017

Caladenia xantha (Primrose spider orchid) 28/07/2015


Caladenia longicauda complex (White spider orchids)

Flowering – Late June to early December

There are 14 Western Australian species

  • Long hairy leaf with flattened or in-curved margins.
  • Up to 4  (rarely 5) predominately white flowers.
  • Long wispy, spreading to pendulous petals and lateral sepals.
  • Labellum with long fringe segments and four or more rows of calli.

Caladenia longicauda subsp. crassa (Esperance white spider orchid) 27/08/2017

Caladenia longicauda subsp. rigidula (rigid white spider orchid) 26/09/2015

Caladenia longicauda subsp. australora (Southern white spider orchid) 27/08/2017


Caladenia huegelii complex (King spider orchid)

Flowering – August to December

There are 22 Western Australian species

  • Long, hairy leaf with flattened or in-curved margins.
  • 1 to 4 flowers with clubbed sepals.
  • Most have shorter petals than lateral sepals.
  • Labellum with short to long, often thickened fringe segments and four or more rows of calli.

Caladenia decora (Esperance king spider orchid) 30/07/2017

Caladenia heberleana (Heberle’s spider orchid)


Caladenia longiclavata complex (Clubbed spider orchids)

Flowering – August to November

There are 6 Western Australian species

  • Long, hairy leaf with flattened or in-curved margins.
  • 1 to 3 flowers with clubbed sepals.
  • Most also have clubbed petals.
  • Labellum with narrow fringe segments with pointed ends and four or more rows of calli.

Caladenia arrecta (Reaching spider orchid) 31/07/2015


Caladenia falcata complex (Green spider orchids)

Flowering – August to early December

There are 9 Western Australian species

  • Long, hairy leaf with flattened or slightly in-curved margins.
  • Up to 3, rarely 4 flowers with clubbed sepals.
  • Some have up-swept lateral sepals.
  • Four or more rows of labellum lamina calli.
  • Most have long labellum fringe segments with pointed tips

Caladenia attigens (Small mantis orchid) 13/09/2014

Caladenia falcata (Fringed mantis orchid) 02/09/2017

Caladenia exstans (Pointing spider orchid) 23/09/2017


Caladenia hoffmanii complex (Hoffman’s spider orchids)

Flowering – August to early February

There are 4 Western Australian species

  • Long, hairy leaf which is flattened or has in-curved margins.
  • Up to 2 flowers.
  • Shortened petals and sepals.
  • Long, fine labellum fringe segments and four or more rows of calli.

Caladenia graminifolia (Grass-leafed spider orchid) 27/08/2017


Caladenia roei complex (Small spider orchids)

Flowering – August to early October

There are 7 Western Australian species

  • Hairy leaf that may be flattened or have in-curved margins.
  • Up to 2, rarely 3 flowers.
  • Shortened petals and sepals.
  • Large, rounded labellum with smooth margins and a dense central band of calli.

Caladenia brevisura (Short-sepaled spider orchid)

Caladenia doutchiae (Purple-veined spider orchid) 19/09/2017

Caladenia roei (Clown orchid, ant orchid, man orchid, jack-in-the-box) 02/09/2017


Caladenai cairnsiana complex (Zebra orchids)

Flowering – July to early November

There are 2 Western Australian species

  • Long, hairy leaf with slightly in-curved margins.
  • Petals and lateral sepals of similar length and both hang downwards.
  • Distinctly up-swept labellum with smooth margins, and glandular tip.
  • Dense central band of labellum lamina calli.

Caladenia cairnsiana (Zebra orchid) 27/08/2017

Caladenia pachychila (Dwarf zebra orchid) 27/08/2017


Caladenia barbarossa complex (Dragon orchids)

Flowering – August to mid November

There are 4 Western Australian species

  • Relatively short, broad, green leaf. Often lies flat on the ground.
  • 1, rarely 2 flowers
  • Shortened petals and lateral sepals, down-swept to hanging.
  • Dorsal sepal often bend backwards.
  • Densely hairy labellum with a large gland at it’s highest point.

Caladenia barbarossa (Common dragon orchid)


Caladenia hirta complex (Candy orchids)

Flowering – Late June to early November

There is 1 Western Australian species, comprising 2 sub-species

  • Broad, flattened hairy leaf.
  • 1 to 3 (rarely to 6) white or pink flowers.
  • Short, spreading petals and sepals.
  • Narrow, upright labellum with short fringe segments and four or more rows of calli.

Caladenia hirta subsp. rosea (Pink candy orchid) 01/09/2017


Caladenia nana complex (Pink fans)

Flowering – Late September to November

There is 1 Western Australian species, comprising 2 sub-species.

  • Broad, hairy leaf.
  • Up to 3 (rarely to 5) usually pink flowers.
  • Petals and sepals form a fan-like arrangement.
  • Lateral sepals are united near the base.
  • Labellum with short fringe segments and calli confined near the base.


Caladenia latifolia complex (Fairy orchids, cowslip orchids)

Flowering – July to December

There are 4 Western Australian species

  • Colony forming habit.
  • Relatively, broad hairy leaf.
  • 1 to 4 (rarely to 6) pink, yellow or white flowers.
  • Short, stiffly spreading petals and sepals, lacking clubs.
  • Tri-lobed labellum with a raised plate near the base.
  • Calli extend from either  side of the plate.

Caladenia flava subsp. flava (Cowslip orchid) 13/08/2017

Caladenia flava subsp. maculata (Kalbarri cowslip orchid)

Caladenia latifolia (Pink fairies) 26/08/2017

Caladenia marginata (White fairy orchid)

Caladenia reptans subsp. reptans (Little pink fairy, dwarf pink fairy) 13/08/2017

Caladenia reptans subsp. impensa (Pale pink fairy)


Caladenia – mixed

Caladenia creba (Arrowsmith spider orchid)

Caladenia discoidea (Dancing spider orchid) 30/07/2017

Caladenia multiclavia (Lazy spider orchid)

Caladenia radialis (Drooping spider orchid) 19/9/2017

Caladenia wanosa (Kalbarri spider orchid)


Caladenia Hybrids

Caladenia x spectabilis (Spectacular spider orchid) 02/09/2017

Caladenia flava x C. reptans

Caladenia flava x C. nana 23/09/2017