Pyrola minor L.

Snowline wintergreen (en), Petite pyrole (fr), Petite Pyrole (fr), Pyrole mineure (fr)

Species

Angiosperms > Ericales > Ericaceae > Pyrola

Characteristics

Plants rhizomatous, (0.6-)1.2-2.1(-3) dm. Leaves: petiole 2-32 mm, channeled adaxially, glabrous; blade not maculate, dull and light green abaxially, dull to shiny and green to dark green adaxially, oblong-elliptic, ovate, obovate, or round, (5-)20-30(-42) × (7-)14-27 mm, subcoriaceous, base rounded to subcordate, margins crenulate to crenulate-serrulate, apex obtuse or rounded. Inflorescences 1 per stem, 3-11(-17)-flowered; peduncular bracts absent or 1-2, lanceolate to ovate or obovate, 4-6.5 × 0.7-2 mm, chartaceous or membranous, margins entire or obscurely erose-denticulate; inflorescence bracts lanceolate to ovate-lanceolate, equaling or longer than subtended pedicels, (3-)4-5 (-7.3) × 0.5-1.4 mm, chartaceous. Pedicels 2.5-4.5 mm. Flowers radially symmetric; calyx lobes appressed or spreading in fruit, green or pink with margins hyaline to white or pinkish, deltate, 1.3-1.8 × 1.3-1.8 mm, margins entire or erose-denticulate, especially distally, apices acute to obtuse or, rarely, acuminate; petals white or pink, obovate to broadly elliptic, (3-)3.3-5 × 2.6-3.8 mm, margins entire; stamens 2.2-3.5 mm; filament base 0.1-0.4 mm wide; anthers 0.8-1.4 mm, apiculations absent or less than 0.1 mm, thecae creamy white to greenish white, often yellowish brown distally, tubules absent, pores 0.1-0.3 × 0.05-0.1 mm; ovary smooth; style included, straight, (0.5-)0.8-1.5(-1.8) mm; stigma 0.9-1.3 mm wide, lobes spreading. Capsules depressed-globose, 3-4 × 4.5-5.4 mm. 2n = 46.
More
Herbs (7–)12–20 cm tall. Rhizome creeping, long, somewhat slender, 0.5–1 mm in diam., branched, with sparse fine roots. Aerial stems ascending, short or somewhat long, 0.5–2.5 cm, not branched. Leaves appearing radical, 4–8, in 2 or 3 subverticils of 2–4 each; petiole 1–2.5 cm; leaf blade pale green abaxially, green adaxially, broadly elliptic to orbicular, 1.5–4.5 × 1.5–3 cm, base obtuse to truncate, margin crenulate to obsoletely serrulate, apex obtuse or mucronulate. Scape erect, 8–18 cm tall, angled, glabrous, with 3–5 broadly lanceolate-elliptic or broadly oblanceolate scales at base, up to 2 leafy scales or leaves near base, and up to 2 narrowly lanceolate to broadly linear scales near middle; raceme densely 7–16-flowered, 2–3.5 cm. Pedicel 3–6 mm; bracts broadly linear, 3–6 mm, usually longer than pedicel. Flowers drooping, regular, 6–7 mm in diam. Sepals depressed-deltoid or broadly ovate, 1–2 × 1–2 mm, apex obtuse to acuminate. Petals white, 3–6 mm, apex retuse. Filaments connivent, surrounding pistil, short, thick, glabrous; anthers yellow, 0.9–1.4 mm, without distinct tubules, apex truncate, opening by wide terminal pores. Style included, ca. 2 mm, straight or slightly curved, not dilated at apex into a ring; stigma with a collar and 5 radially arched lobes. Capsules 4–6 mm in diam. Fl. Jul, fr. Aug. 2n = 46.
Lvs elliptic or round-oblong, 2–4 cm, rounded to truncate at both ends; scape 5–15 cm, with a loose raceme of 5–15 nodding white fls; pet 5 mm; anthers very plump, 1 mm or less, broadly truncate to 2 wide terminal pores; style at anthesis ca 2 mm, about equaling the pet; 2n=46. Moist woods, circumboreal, in Amer. s. to the higher mts. of N. Engl. and n. Mich., and in the w. cordillera. (Braxilia m.; Erxlebenia m.)
A herb. It keeps growing from year to year and is evergreen. The rhizome or underground stem is slender and 0.5-1 mm thick. The leaf blade is green on top and pale green underneath. The flowers droop. There are 7-16 flowers in a group. The flowers are white. The fruit is a capsule which hangs down. It is 4-6 mm across. It has many very small seeds.
Life form perennial
Growth form herb
Growth support mycoheterotroph
Foliage retention evergreen
Sexuality hermaphrodite
Pollination
Spread barochory
Mature width (meter) 0.3
Mature height (meter) 0.1
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows in cool temperate and sub-arctic zones. It grows in sub-alpine deciduous broad-leaved forests between 500-2500 m altitude. It grows in acid soils and on sand dunes.
More
Coniferous woods, moors, damp rock ledges and dunes, on acid and calcareous soils in full sun or deep shade.
Light 3-8
Soil humidity 4-7
Soil texture 3-6
Soil acidity 1-7
Soil nutriment -
Hardiness (USDA) 5-7

Usage

The leaves are used sparingly in salads.
Uses medicinal
Edible fruits leaves
Therapeutic use Cancer (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Pyrola minor habit picture by Szabolcs Frater (cc-by-sa)
Pyrola minor habit picture by Antonio Ezquerro A. (cc-by-sa)
Pyrola minor habit picture by Andrzej Pasierbinski (cc-by-sa)

Leaf

Pyrola minor leaf picture by roberto (cc-by-sa)
Pyrola minor leaf picture by Dana Sukova (cc-by-sa)
Pyrola minor leaf picture by Muhammet Ali KARAKAYA (cc-by-sa)

Flower

Pyrola minor flower picture by Martin Bishop (cc-by-sa)
Pyrola minor flower picture by Francois Mansour (cc-by-sa)
Pyrola minor flower picture by Evlashina Alena (cc-by-sa)

Fruit

Pyrola minor fruit picture by T.O.Bias (cc-by-sa)
Pyrola minor fruit picture by Giulia (cc-by-sa)
Pyrola minor fruit picture by jeclerencia (cc-by-sa)

Distribution

Pyrola minor world distribution map, present in Albania, Armenia, Austria, Azerbaijan, Belgium, Bulgaria, Bosnia and Herzegovina, Belarus, Canada, Switzerland, China, Czech Republic, Germany, Denmark, Spain, Estonia, Finland, France, United Kingdom of Great Britain and Northern Ireland, Georgia, Greece, Greenland, Croatia, Hungary, Iceland, Italy, Japan, Kyrgyzstan, Liberia, Liechtenstein, Lithuania, Luxembourg, Latvia, North Macedonia, Montenegro, Mongolia, Netherlands, Norway, Poland, Korea (Democratic People's Republic of), Romania, Russian Federation, Saint Pierre and Miquelon, Serbia, Slovakia, Slovenia, Sweden, Ukraine, United States of America, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:331828-1
WFO ID wfo-0000396086
COL ID 6X24M
BDTFX ID 54190
INPN ID 116543
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Braxilia minor Pyrola minor Erxlebenia minor Erxlebenia rosea Pyrola conferta Amelia minor Braxilia parvifolia Pyrola minor var. conferta