[Bog and Rein Orchids: The Genus Platanthera in Mt. Adams Country]

Slender Bog Orchid

Platanthera stricta

Synonyms: Habenaria hyperborea var. viridiflora, Habenaria saccata, Habenaria stricta, Limnorchis saccata, Limnorchis stricta, Limnorchis viridiflora, Platanthera convallariifolia, Platanthera dilatata var. gracilis, Platanthera hyperborea var. viridiflora, Platanthera saccata

Flower of Slender Bog Orchid: Platanthera stricta (Synonyms: Habenaria hyperborea var. viridiflora, Habenaria saccata, Habenaria stricta, Limnorchis saccata, Limnorchis stricta, Limnorchis viridiflora, Platanthera convallariifolia, Platanthera dilatata var. gracilis, Platanthera hyperborea var. viridiflora, Platanthera saccata) - Flower of Slender Bog Orchid: Platanthera stricta (Synonyms: Habenaria hyperborea var. viridiflora, Habenaria saccata, Habenaria stricta, Limnorchis saccata, Limnorchis stricta, Limnorchis viridiflora, Platanthera convallariifolia, Platanthera dilatata var. gracilis, Platanthera hyperborea var. viridiflora, Platanthera saccata)

Slender bog orchid as seen at moist seeps at about 4300' atop the ridge dividing the Cougar and Dairy Creek drainages on the southeastern side of Mt. Adams.........July 10, 2005. Note the double-pouched, sac-like spur which is shorter than the lower lip.

Inflorescence of Slender Bog Orchid: Platanthera stricta (Synonyms: Habenaria hyperborea var. viridiflora, Habenaria saccata, Habenaria stricta, Limnorchis saccata, Limnorchis stricta, Limnorchis viridiflora, Platanthera convallariifolia, Platanthera dilatata var. gracilis, Platanthera hyperborea var. viridiflora, Platanthera saccata) - Inflorescence of Slender Bog Orchid: Platanthera stricta (Synonyms: Habenaria hyperborea var. viridiflora, Habenaria saccata, Habenaria stricta, Limnorchis saccata, Limnorchis stricta, Limnorchis viridiflora, Platanthera convallariifolia, Platanthera dilatata var. gracilis, Platanthera hyperborea var. viridiflora, Platanthera saccata) - Slender Bog Orchid: Platanthera stricta (Synonyms: Habenaria hyperborea var. viridiflora, Habenaria saccata, Habenaria stricta, Limnorchis saccata, Limnorchis stricta, Limnorchis viridiflora, Platanthera convallariifolia, Platanthera dilatata var. gracilis, Platanthera hyperborea var. viridiflora, Platanthera saccata)

Slender bog orchid as seen along the Shorthorn Trail #12 where it crosses the west fork of Morrison Creek, Mt. Adams Wilderness.........July 10, 2020 (left) and July 7, 2021 (center). The photo at right shows slender bog orchid in wet meadow edges at TakhTakh Meadows, Gifford Pinchot National Forest......August 5, 2022.
Paul Slichter