Jepson eFlora
Key to families | Table of families and genera

Key to Pyrola

View taxon page for Pyrola

(For a list of species in Pyrola, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Flowers radial, ± closed; style ± included, straight, < 2 mm, stigma lobes spreading; anthers < 1.5 mm, ± without tube-like constrictions subtending pores (subg. Amelia) ..... P. minor

1' Flowers subradial to bilateral, ± open; style exserted, downcurved, > 4 mm, stigma lobes ± erect; anthers >= 2 mm, with tube-like constrictions subtending pores (subg. Pyrola)

2. Flower bract generally >> pedicel

3. Leaf blades generally vestigial or 0, sessile, ± appressed, ± not green, dull adaxially ..... P. aphylla (2)

3' Leaf blades well developed, petioled, spreading, green (chlorophyll present), ± shiny adaxially ..... P. asarifolia

4. Flower bract 1–1.5 × pedicel; sepals 2–3.5 mm, deltate to lanceolate; leaf round to reniform, entire to ± crenate; anthers 2–3 mm ..... subsp. asarifolia

4' Flower bract generally > 2 × pedicel; sepals 3–5.8 (generally >> 3.5) mm, lanceolate to lance-oblong; leaf ± round to elliptic, generally minutely mucronate-dentate; anthers 2.5–3.5 mm ..... subsp. bracteata

2' Flower bract generally <= pedicel

5. Leaf blades generally vestigial or 0, largest lanceolate to deltate, sessile, ± not green, ± 1 cm ..... P. aphylla (2)

5' Leaf blades generally present, largest round to obovate, oblanceolate, or elliptic, petioled, green, generally > 1.5 cm

6. Leaves glaucous, bluish, erect; petiole ± 1/4–1/2 blade; blades entire to serrate ..... P. dentata

6' Leaves not glaucous, dark green, spreading; petiole ± >= 1/2 blade; blades entire (serrate)

7. Sepals 2.2–3.4 mm; flower bract generally > 1/2 pedicel; Klamath Ranges, Outer North Coast Ranges, High North Coast Ranges, Cascade Range ..... P. crypta

7' Sepals 1.2–2(2.5) mm; flower bract generally ± 1/2 pedicel; Northwestern California, Cascade Range, Sierra Nevada, San Francisco Bay Area, Outer South Coast Ranges, San Bernardino Mountains, Peninsular Ranges, San Jacinto Mountains, Modoc Plateau ..... P. picta

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Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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