Pyrola chlorantha Sw.
green wintergreen (greenflowered wintergreen; greenish wintergreen)
Ericaceae (Crowberry family)
(Previously in Pyrolaceae)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #17021)


E-Flora BC Static Map

Distribution of Pyrola chlorantha
Click here to view the full interactive map and legend

Species Information

Perennial herb from a slender rhizome; flowering stems 9-25 cm tall, single, with 1 to several leaves at the base or sometimes naked; sterile shoots leafy.
Basal, evergreen, somewhat leathery, more or less elliptic to oblong-egg-shaped or circular, the blades 1-3.5 cm long, finely toothed, pale green above, deep green below; stalks usually longer than blades.
Inflorescence a (1) 2- to 8- (10) flowered terminal raceme, the flowers 9-13 mm wide, weakly bilaterally symmetric, open; flower stalks 3-8 mm long; bracts linear-lanceolate, usually shorter than stalks; petals pale yellowish to greenish-white, 5-6 mm long, converging; sepals triangular egg-shaped, less than 2 mm long, wider than long, tips blunt; anthers 2-4 mm long, the pore-tubes conspicuous; styles declined, curved, exserted, 4-7 mm long, with a distinct collar below the lobed stigma.
Capsules, depressed globe-shaped, to 5 mm wide.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.


Ecological Framework for Pyrola chlorantha

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




Elevation (metres)
1026 0 2500
Slope Gradient (%)
17 0 220

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

237 0 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

BAFA(3), BWBS(249), CWH(41), ESSF(250), ICH(775), IDF(270), MS(430), PP(4), SBPS(158), SBS(711), SWB(16)

Habitat and Range

Dry to moist forests in the montane zone; common to frequent throughout BC east of the Coast-Cascade Mountains, infrequent westward; circumboreal, N to AK, YT, and NT, E to NF, and S to CA, AZ, SD, and PA; Eurasia.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Pyrola chlorantha var. convoluta (W. Bart.) Fern.
Pyrola chlorantha var. paucifolia Fern.
Pyrola chlorantha var. revoluta Jennings
Pyrola convoluta W. Bart.
Pyrola oxypetala Austin ex A. Gray
Pyrola virens Schreb.
Pyrola virens var. convoluta (W. Bart.) Fern.
Pyrola virens var. saximontana Fern.