Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase
long-bracted frog orchid
Orchidaceae (Orchid family)

Introduction to Vascular Plants

Photograph

© Ian Gardiner     (Photo ID #27152)


Map

E-Flora BC Static Map

Distribution of Dactylorhiza viridis
Click here to view the full interactive map and legend

Species Information

General:
Perennial herb from fleshy roots, smooth throughout; stems 15-60 cm tall, leafy.
Leaves:
Stem leaves only, several, egg-shaped to oblong or oblanceolate, 4-15 cm long, 1-6.5 cm wide.
Flowers:
Inflorescence a few- to many-flowered terminal raceme, the bracts leaflike, ascending, lanceolate, several times longer than flowers, the flowers green to yellowish-green; sepals egg-shaped, 3-6 mm long, spreading; petals much narrower than sepals, narrowly lanceolate, 3-5 mm long; lip 6-10 mm long, wedge-shaped to oblong, 2- or 3-toothed at tip; spur shorter than lip, scrotum-shaped.
Fruits:
Capsules, ellipsoid, somewhat erect, about 12 mm long.

SourceThe Illustrated Flora of British Columbia

Ecology

Ecological Framework for Dactylorhiza viridis

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Avg

Min

Max

Elevation (metres)
1175 100 2095
Slope Gradient (%)
16 0 230

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

230 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 1 8
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
128
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

BG(1), BWBS(23), CWH(1), ESSF(45), ICH(10), IDF(4), MS(1), SBPS(6), SBS(31), SWB(4)

Habitat and Range

Mesic to wet forests, grassy slopes, shores, bogs and swamps in the lowland, steppe and montane zones; infrequent throughout BC east of the Coast-Cascade Mountains, rare along the coast; N to AK, YT and NT; E to NF and S to ME, PA, NC, TN, MO, NE, NM, AZ and WA; E Asia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Coeloglossum viride (L.) Hartm.