Platanthera dilatata (Pursh) Lindley ex Beck var. dilatata . Subgenus: Limnorchis. Common name: White Northern Bog-orchid, Tall White Bog Orchid, Bog Candles. Phenology: Jun. Habitat: Bogs, marshes, wet meadows, circumneutral to rich fens. Distribution: NS south to PA, west to Manitoba, south to n. IL; AK south to CA, east to CO; Iceland and Greenland.
Origin/Endemic status: Native
Taxonomy Comments: P. dilatata var. albiflora and P. dilatata var. leucostachys occur in w. and nw. North America and differ in spur length and shape.
Other Comments: The flowers have an intense spicy odor reminiscent of cloves.
Synonymy ⓘ: = AqW, Can, FNA26, K4, NE, NS, NY, Pa, POWO; = Piperia dilatata (Pursh) Szlach. & Rutk. var. dilatata; < Habenaria dilatata (Pursh) Hook. — C, F, G; < Platanthera dilatata (Pursh) Lindl. ex Beck — Il, Mi, Efimov (2016), Wettewa, Bailey, & Wallace (2020)
Links to other floras: = Platanthera dilatata var. dilatata - FNA26
Wetland Indicator Status:
- Great Plains: FACW (name change)
- Midwest: FACW (name change)
- Northcentral & Northeast: FACW (name change)
Heliophily ⓘ: 6
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Horticultural Information
No horticultural data found for this taxon.