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


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
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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