E-Flora BC: Electronic Atlas of the Flora of British Columbia

Orthilia secunda var. obtusata (L.) House (Turcz.) House
one-sided wintergreen
Ericaceae (Crowberry family)
(Previously in Pyrolaceae)

Introduction to Vascular Plants
Once images have been obtained, photographs of this species will be displayed in this window.Click on the image to enter our photo gallery.
Currently no image is available for this taxon.
E-Flora BC Static Map
Distribution of Orthilia secunda var. obtusata
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Perennial, slightly woody herb from a rhizome, often forming colonies; stems usually single, 5-20 cm tall.
Leaves:
Evergreen, basal and stem leaves, often crowded towards base, egg-shaped to egg-shaped elliptic, 1.5-6 cm long, 1-2.5 (3) cm wide; round- to sharp-toothed or nearly entire, blunt to rounded at base, tips usually pointed; stalks 1-2 cm long.
Flowers:
Inflorescence a crowded 4- to 20-flowered one-sided raceme, arching, flowers radially symmetric, erect in bud, drooping in flower, 5-6 mm wide; flower stalks 2-8 mm long; bracts linear-lanceolate; petals 5, distinct, somewhat closed, 4-6 mm long, greenish or white, each with 2 small tubercles on the inner surface near the base; sepals 5, 0.5-1 (1.5) mm long, with jagged margins; stamens 10; filaments slender, about equaling the petals; anthers about 1.4 mm long, with terminal pores, tubes lacking; styles 3-4 mm long, exserted, straight or nearly so; stigmas 5-lobed.
Fruits:
Capsules, depressed globe-shaped, to 5 mm wide.
Notes:
Two varieties occur in BC:

1. Racemes mostly more than 10-flowered; petals greenish yellow; leaves elliptic to egg-shaped, pointed, and lustrous .......................................... var. secunda

1. Racemes usually 4- to 10-flowered; petals creamy white; leaves circular, blunt, and hardly lustrous .......... .......................................... var. obtusata Turcz.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry to mesic forests in the lowland, montane, and subalpine zones; frequent in SC BC, common elsewhere in BC; circumboreal, N to AK, YT, and NT, E to NF and S to S CA, MX, SD, OH, and VA; Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Orthilia secunda var. obtusata

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

Minimum

Average

Maximum

Elevation (metres) 566 906 1328
Slope Gradient (%) 0 28 80
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
78 285 282
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 4 5
Modal Nutrient Regime
Class
D
Number of field plots
 species was recorded in:
4
Modal BEC Zone Class
SWB
All BEC Zones (# of stations/zone) species was recorded in: ICH(2), SWB(2)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References