Native Orchids of the Ottawa Area

 

Species Name

Common Name

Flowering Information

Amerorchis rotundifolia 

Small Round-leaved Orchis

Rare.

Fens.

Flowering in June and early July, peaking in mid to late June.

Amerorchis rotundifolia_1

Amerorchis rotundifolia_2

 

Aplectrum hyemale

Putty-root

Extirpated.

Forests.

Flowering in June.

(Note – photo taken in Georgian Bay area).

Aplectrum hyemale_leaf

 

Aplectrum hyemale leaf J

 

 

 

Aplectrum hyemale plant A

 

Aplectrum hyemale flowers J

 

 

Arethusa bulbosa

Arethusa, Dragon's Mouth

Rare.

Fens.

Flowering in June.

Arethusa bulbosa_1

Arethusa bulbosa_2

 

Calopogon tuberosus

Grass-pink

Sparse.

Fens and Bogs.

Flowering from mid-June to early August, peaking in July.

Calapogon tuberosus_1

Calapogon tuberosus_2

 

Calypso bulbosa

Calypso, Fairy Slipper

Rare.

Swamps.

Flowering from mid-May to early June, peaking in late May.

Calypso bulbosa_1

Calypso bulbosa_2

 

Coeloglossum viride

Long-bracted Orchid

Uncommon (Quebec); rare (Ontario).

Forests.

Flowering in May to early July, peaking in late May to late June.

Coeloglossum viride_1

 

Coeloglossum viride plant A

 

Coeloglossum viride flowers J

 

Corallorhiza maculata 

Spotted Coral-root

Uncommon (Quebec); rare (Ontario).

Forests. 

Flowering from early June to late July, peaking in July.

Corallorhiza maculata var

(var. maculata f. flavida)

Corallorhiza maculata var

Corallorhiza maculata var maculata_1

(var. maculata)

Corallorhiza maculata var maculata_2

 

Corallorhiza maculata var occidentalis_1

(var. occidentalis)

Corallorhiza maculata var occidentalis_2

 

 

Corallorhiza striata

Striped Coral-root

Sparse.

Forests and swamps.

Flowering from late May to late June, peaking in late May to mid-June.

Corallorhiza striata_1

Corallorhiza striata_2

 

Corallorhiza trifida

Early Coral-root

Common.

Swamps.

Flowering from mid-May to late June, peaking in late May to mid-June.

Corallorhiza trifida_1

Corallorhiza trifida_2

 

Cypripedium acaule

Pink Lady’s Slipper

Common.

Wet, moist and dry, acidic sites.

Flowering from mid-May to early July, peaking in early to mid-June.

Cypripedium acaule_1

 

Cypripedium acaule_6

 

Cypripedium acaule_2

 

Cypripedium acaule_4

 

Cypripedium arietinum 

Ram’s-head Lady’s Slipper

Sparse.

Forests and fens.

Flowering from mid-May to mid-June, peaking in late May to early June.

Cypripedium arietinum_1

Cypripedium arietinum_2

 

Cypripedium parviflorum

Yellow Lady’s Slipper

Uncommon.

Forests, fens and swamps.

Flowering from early May to early July, peaking in June.

Cypripedium parviflorum var pubescens_1

 

Cypripedium parviflorum_3

(var. pubescens)

Cypripedium parviflorum var pubescens_2

 

Cypripedium parviflorum_4

Cypripedium parviflorum var makasin_x1

(var. makasin)

Cypripedium parviflorum var makasin_x2

 

 

Cypripedium reginae

Showy Lady’s Slipper

Uncommon.

Fens and swamps. Best seen in Purdon Fen.

Flowering from late May to mid-July, peaking in late June.

Cypripedium reginae_1

Cypripedium reginae_2

 

Epipactis helleborine

Broad-leaved Helleborine

Introduced, widespread and common.  Forests.

Flowering from mid-June to late August peaking in mid-July to mid-August.

Epipactis hellaborine_1

 

Epipactis helleborine_3

Epipactis hellaborine_2

 

Epipactis helleborine_4

 

 

Galearis spectabilis

Showy Orchis

Sparse.

Forests.

Flowering from mid-May to mid-June, peaking in late May to early June.

Galearis spectabilis_1

 

Galearis spectabilis flowers J email

 

Galearis spectabilis_2

 

Goodyera pubescens

Downy Rattlesnake-plantain

Sparse (Quebec); rare (Ontario).

Forests and swamps. 

Flowering from late July to mid-September, peaking in August.

Goodyeara pubescens_1

Goodyeara pubescens_2

 

Goodyera repens

Lesser Rattlesnake-plantain

Sparse (Quebec); rare (Ontario).

Forests and swamps.

Flowering from early July to late August, peaking in late July to mid-August.

Goodyeara repens_1

Goodyeara repens_2

 

Goodyera tesselata

Tesselated Rattlesnake-plantain

Sparse (Quebec); rare (Ontario).

Forests and swamps.

Flowering from early July to late August, peaking in late July to mid-August.

Goodyeara tesselata_1

Goodyeara tesselata_2

 

Liparis loeselii

Loesel’s Twayblade

Common.

Moist places.

Flowering from mid-June to late July, peaking in late June to early July.

Liparis loeselii_1

Liparis loeselii_2

 

Listera auriculata

Auricled Twayblade

Rare.

Stream edges.

Flowering from mid-June to early July.

Listera auriculata plant J

Listera auriculata flowers A

 

Listera australis

Southern Twayblade

Possibly extirpated.

Fens.

Flowering from late May to mid-June.

  

Listera australis_1

 

Listera australis plant A

Listera australis_2

 

Listera australis flowers J

 

 

Listera cordata

Heart-leaved Twayblade

Sparse.

Swamps.

Flowering from early June to mid-July, peaking in June.

  

Listera cordata_1

 

Listera cordata plant J

Listera cordata_2

 

Listera cordata flowers Jl

 

 

Malaxis monophylla

White Adder’s-mouth

Uncommon.

Swamps.

Flowering from early June to late July, peaking in late June to mid-July.

Malaxis monophylla_1

Malaxis monophylla_2

 

Malaxis unifolia

Green Adder’s-mouth

Common.

Varied conditions.

Flowering from mid-June to mid-August, peaking in July.

  

Malaxis unifolia_1

 

Malaxis unifolia plant J email

Malaxis unifolia_2

 

Malaxis unifolia flowers J email

 

 

Platanthera aquilonis

Northern Green Orchid

Common.

Wet places.

Flowering from mid-June to mid-August, peaking in late June to mid-July.

Platanthera aquilonis_1

Platanthera aquilonis_2

 

Platanthera blephariglottis

White Fringed-orchid

Rare.

Poor fens.

Flowering from early July to mid-August, peaking in mid-July.

Platanthera blephariglottis_1

Platanthera blepharigtlottis_2

 

Platanthera clavellata

Club-spur Orchid

Sparse.

Swamps and other moist places.

Flowering from early July to mid-August, peaking in mid-July to early August.

Platanthera clavellata_1

Platanthera clavellata_2

 

Platanthera dilatata

Fragrant White Orchid

Rare.

Fens.

Flowering from early June to early August, peaking in late June to mid-July.

Platanthera dilatata_1

Platanthera dilatata_2

 

Platanthera flava

Northern Tubercled Orchid

Rare.

River flood plains.

Flowering from July to early August, peaking in July.

Platanthera flava_1

Platanthera flava_2

 

Platanthera grandiflora

Large Purple Fringed-orchid

Sparse.

Moist forests.

Flowering from mid-June to mid-July, peaking in late June to early July.

Platanthera grandiflora_1

Platanthera grandiflora_2

 

Platanthera hookeri

Hooker’s Orchid

Sparse.

Forests.

Flowering from early May to mid-July, peaking in June.

Platanthera hookeri_1

Platanthera hookeri_2

 

Platanthera huronensis

Fragrant Green Orchid

Sparse.

Fens.

Flowering from mid-June to late July, peaking in late June to mid-July.

  

Platanthera huronensis_1

 

Platanthera huronensis plants J

Platanthera huronensis_2

 

Planthera huronensis flowers J

 

 

Platanthera lacera

Ragged Fringed-orchid

Rare (Quebec); uncommon (Ontario).

Moist open places.

Flowering from late June to early August, peaking in July.

Platanthera lacera_1

Platanthera lacera_2

 

Platanthera leucophaea

Eastern Prairie Fringed-orchid

Rare.

Fens.

Flowering from late June to late July, peaking in July.

Platanthera leucophaea_1

Platanthera leucophaea_2

 

Platanthera macrophylla

Goldie’s Round-leaved Orchid

Rare.

Forests.

Flowering from early July to early August, peaking in July.

Platanthera macrophylla flowers

Platanthera macrophylla plant A

 

Platanthera obtusata

Blunt-leaved Orchid

Uncommon (Quebec); rare (Ontario).

Swamps.

Flowering from mid-June to late July, peaking in late June to mid-July.

  

Platanthera obtusata_1

Platanthera obtusata flowers A

Platanthera obtusata_2

Platanthera obtusata plant J

 

Platanthera orbiculata

Large Round-leaved Orchid

Rare.

Forests and swamps.

Flowering from July to mid-August, peaking in mid-July.

Platanthera orbiculata_1

Platanthera orbiculata_2

 

Platanthera psycodes

Small Purple Fringed-orchid

Uncommon.

Moist open or shaded places.

Flowering from late June to mid-August, peaking in July.

Platanthera psycodes_1

Platanthera psycodes_2

 

Pogonia ophioglossoides

Rose Pogonia

Sparse.

Fens.

Flowering from early June to mid-August, peaking in late June to mid-July.

Pogonia ophioglossoides_1

Pogonia ophioglossoides_2

 

Spiranthes casei

Case’s Ladies’-tresses

Sparse.

Open fields and clearings.

Flowering from mid-August to late September, peaking in late August to early September.

Spiranthes casei_1

Spiranthes casei_2

 

Spiranthes cernua

Nodding Ladies’-tresses

Common.

Moist open fields and clearings.

Flowering in mid-August to mid-October, peaking in September.

Spiranthes cernua_1

 

Spiranthes cernua_3

Spiranthes cernua_2

 

Spiranthes cernua_4

 

 

Spiranthes lacera

Northern Slender Ladies’-tresses

Common.

Open fields and clearings.

Flowering in July and August, peaking in mid-July to mid-August.

Spiranthes gracilis_1

Spiranthes gracilis_2

 

Spiranthes lucida

Shining Ladies’-tresses

Rare.

Rocky or sandy river shores.

Flowering from late June to early July.

Spiranthes lucida_1

Spiranthes lucida_2

 

Spiranthes magnicamporum

Great Plains Ladies’-tresses

Rare.

Prairie Dropseed alvar meadow.

Flowering from mid-September to early October, peaking in late September.

Spiranthes magnicamporum

Spiranthes magnicamporum flowers

 

 

Spiranthes romanzoffiana

Hooded Ladies’-tresses

Sparse.

Fens and other places.

Flowering from early July to mid-September, peaking in late July to mid-August.

Spiranthes romanzoffiana_1

Spiranthes romanzoffiana_2