Dactylorhiza viridis
frog orchid, long-bracted green orchid

Distribution: Known only from Okanogan County in Washington; Alaska to Washington, east to the Rocky Mountains, Great Plains, Great Lakes region, and eastern North America.

Habitat: Moist to wet meadows at moderate elevations.

Flowers: July-August

Origin: Native

Conservation Status: Threatened in Washington (WANHP)


Glabrous, somewhat succulent perennials to 80 cm, with palmately divided tuber-like roots.


Leaves 2 or more, alternate, sessile, ascending to recurved, blades nearest base obovate to oblanceolate, oblong-lanceolate mid-stem, 2-18 cm long and 1-7 cm broad, base sheathing, becoming bracts distally.


Inflorescence a racemose terminal spike, floral bracts significantly protruding; flowers generally green and tinged red-brown, resupinate; sepals ovate, 3-8 mm long and 2.5 mm broad, forming a hood over column; petals linear, 3-5 mm long and 0.5 mm broad; labellum extending downward beneath hood, notched or 3-lobed, lateral lobes larger than middle lobe, 3-10 mm long and 0.5-4 mm broad; spur sack- or pouch-shaped, insignificant; pollinaria 2; pollinia 2; viscidium located within membrane; stigmas concave, 2-lipped.


Capsules, ascending, 7-14 mm long and 4-5 mm broad, ellipsoid.

Accepted Name:
Dactylorhiza viridis (L.) R. M. Bateman, Pridgeon & M. W. Chase
Publication: Lindleyana 12(3): 129. 1997.

Synonyms & Misapplications:
Coeloglossum viride (L.) Hartm. [FNA26]
Coeloglossum viride (L.) Hartm. var. virescens (Muhl.) Luer
Habenaria viridis (L.) R. Br. [HC]
Habenaria viridis (L.) R. Br. var. bracteata (Muhl. ex Willd.) A. Gray [HC]
Habenaria viridis (L.) R. Br. var. interjecta Fernald
Satyrium viride L.
Additional Resources:

PNW Herbaria: Specimen records of Dactylorhiza viridis in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Dactylorhiza viridis checklist entry.

E-Flora BC: Dactylorhiza viridis atlas page.

CalPhotos: Dactylorhiza viridis photos.

USDA Plants: Dactylorhiza viridis information.

6 photographs:
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