Jepson eFlora
Key to families | Table of families and genera

Key to Platanthera

View taxon page for Platanthera

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

1. Perianth white to cream; spur generally >= 1.5 × lip ..... P. dilatata var. leucostachys

1' Perianth green to yellow-green; spur << to ± > lip

2. Column generally 2.5–4 mm, ± 2/3 hood formed by upper sepal, lateral petals; lip linear to lance-linear ..... P. sparsiflora

2' Column generally 1.5–2 mm, <= ± 1/2 hood formed by upper sepal, lateral petals; lip wider than lance-linear

3. Spur generally cylindric, ± curved — lip lanceolate to oblong or linear-oblong, green-yellow to yellow; leaves clustered near base ..... P. tescamnis

3' Spur club- to sac-like

4. Lip linear to lanceolate, green, red-marked or not; leaves not clustered ..... P. stricta

4' Lip generally lance-rhombic, yellow, not red-marked; leaves clustered below ..... P. yosemitensis


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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