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white-veined wintergreen, white-vein pyrola

wintergreen

Habit Plants 5–40 cm; rhizomatous. Herbs photosynthetic or non-photosynthetic.
Stems

erect, bright red or green, glabrous.

Leaves

normal; but sometimes reduced or absent; ovate to spatulate, 5–75 × 4–45 mm, abaxially dull and light green to purplish, adaxially dull or shiny and green to dark green;

veins white leathery;

margins entire or denticulate;

tips obtuse to acute;

petioles 4–25 mm, glabrous.

alternate, generally basal or sometimes reduced or absent;

margins entire to serrate;

surfaces glabrous;

petioles present.

Inflorescences

1–2(3), 4–22-flowered;

bracts awl-shaped to ovate-lanceolate, 3.5–6 × 2–3 mm.

symmetric racemes; erect in flower and fruit;

bracts present;

pedicels pendent in fruit.

Pedicels

3–18 mm.

Flowers

sepals ovate to deltate, 1–4 × 1–4 mm, usually fused 50% of their length, green with thin white to pinkish margins;

margins entire or denticulate;

tips acute;

corollas spreading;

petals obovate, 4–11 × 3–7 mm, white; greenish white, pink, or reddish;

margins entire to denticulate;

stamens 5–9 mm;

anthers 2–5 mm;

styles exserted; bent sideways to downward, 4–9 mm;

stigmas 1–1.5 mm wide.

radially or bilaterally symmetric;

sepals 5;

calyx lobes triangular, deltate, or ovate;

corollas bowl- to bell-shaped;

petals 5; distinct, white; greenish, yellow, pink, or red;

stamens 10, exserted;

filaments glabrous;

anthers oblong; without awns, dehiscent by pores;

ovaries superior;

styles exserted or included; bent downward or straight;

stigmas 5-lobed; without subtending ring of hairs.

Fruits

depressed-globose, 4–9 mm.

capsules, pendulous; dehiscence loculicidal; cobwebby tissue exposed at dehiscence.

Seeds

many; minute, fusiform, winged.

2n

=46.

Pyrola picta

Pyrola

Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

Coniferous forests. Flowering May–Sep. 0–2300 m. BR, BW, Casc, CR, ECas, Est, Sisk, WV. CA, ID, NV, WA; north to British Columbia, east to SD, southeast to NM. Native.

Plants with light green to purplish and dentate leaves are considered to be P. dentata by some authorities. Additionally, specimens with shorter sepals (less than two millimeters) and longer bracts (greater than four millimeters) have been described as P. crypta. See also discussions for P. aphylla and P. chlorantha.

Circumboreal and high mountains of Central America and Sumatra. ~30 species; 5 species treated in Flora.

Source Flora of Oregon, volume 2, page 636
Stephen Meyers
Flora of Oregon, volume 2, page 634
Stephen Meyers
Sibling taxa
P. aphylla, P. asarifolia, P. chlorantha, P. minor
Subordinate taxa
P. aphylla, P. asarifolia, P. chlorantha, P. minor, P. picta
Synonyms Pyrola crypta, Pyrola dentata, Pyrola dentata var. dentata, Pyrola dentata var. integra
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